733 result(s) found for : Index = ; Status = All ; Country = unspecified
| IAGA code | Location | Country | Status | Index(es) | Remark |
| AAA | Alma Ata | Kazakhstan | Open | ||
| AAE | Addis Ababa | Ethiopia | Closed | ||
| ABG | Alibag | India | Open - INTERMAGNET member | SC, ASY | |
| ABK | Abisko | Sweden | Open - INTERMAGNET member | AE | |
| ABN | Abinger | United Kingdom | Closed | aa, Kp | replaced by HAD |
| ACR | Accra | Ghana | Closed | ||
| ADA | Adak | United States of America | Closed | ||
| ADE | Adelaide | Australia | Closed | ||
| AED | Aedey | Iceland | Closed | ||
| AGN | Agincourt | Canada | Closed | Kp | replaced by OTT |
| AHM | Ahmedabad | India | Closed | ||
| AIA | Argentine Islands (Akademik Vernadsky Base) | Antarctica (Ukraine) | Open - INTERMAGNET member | am | |
| AIF | Arctic Ice Flo | United States of America | Closed | ||
| ALE | Alert | Canada | Open | ||
| ALG | Alger Island | Russia | Closed | ||
| ALH | Allahabad | India | Open | ||
| ALM | Almeria | Spain | Closed | ||
| ALU | Aloushta | Ukraine | Closed | ||
| AMD | Amderma | Russia | Closed | ||
| AMK | Angmakssalik | Greenland (Denmark) | Closed | ||
| AML | Amberley | New Zealand | Closed | am, Kp | replaced by EYR |
| AMN | Ambarnaya | Russia | Closed | ||
| AMS | Martin De Vivies-Amsterdam Island | French Southern and Antarctic Lands (France) | Open | am, ASY | |
| AMT | Amatsia | Israel | Closed | ||
| AMU | Anchorage | United States of America | Closed | ||
| ANC | Ancon | Peru | Open | ||
| ANH | Angra Do Heroismo | Portugal | Closed | ||
| ANK | Ankara | Turkey | Closed | ||
| ANN | Annamalainagar | India | Closed | ||
| ANO | Antipolo | Philippines | Closed | ||
| APA | Apatity | Russia | Closed | ||
| API | Apia | Western Samoa | Open - INTERMAGNET member | SC | |
| AQU | L'Aquila | Italy | Open | ||
| ARC | Arctowski | Antarctica (Poland) | Closed | ||
| ARE | Arequipa | Peru | Closed | ||
| ARK | Arkhangel'Sk | Russia | Closed | ||
| ARS | Arti | Russia | Open - INTERMAGNET member | am | |
| ASC | Ascension Island | United Kingdom | Open - INTERMAGNET member | ||
| ASH | Ashkhabad/Vannovskaya | Turkmenistan | Open | ||
| ASK | Asuka Station | Antarctica (Japan) | Closed | ||
| ASO | Aso | Japan | Closed | ||
| ASP | Alice Springs | Australia | Open - INTERMAGNET member | ||
| ATH | Athens | Greece | Closed | ||
| AUI | Auckland Island | New Zealand | Closed | ||
| AUT | Au-Tau | China | Closed | ||
| AVE | Averroes | Morocco | Closed | ||
| AVI | Arctic Village | United States of America | Closed | ||
| AWS | Andrews Afb | United States of America | Closed | ||
| AWY | Aberystwyth | United Kingdom | Closed | ||
| BAG | Baguio | Philippines | Closed | ||
| BAH | Barth | Germany | Closed | ||
| BAL | Baldwin | United States of America | Closed | ||
| BAP | Barrackpore | India | Closed | ||
| BBG | Barentsburg | Norway | Closed | ||
| BCL | Baclieu | Vietnam | Closed | ||
| BDE | Big Delta | United States of America | Closed | ||
| BDV | Budkov | Czech Republic | Open - INTERMAGNET member | ||
| BEL | Belsk | Poland | Open - INTERMAGNET member | ||
| BEU | Beuthen | Poland | Closed | ||
| BEY | Beliy Island | Russia | Closed | ||
| BFE | Brorfelde | Denmark | Open | Kp | |
| BFI | Baffin Island | Canada | Closed | ||
| BFO | Black Forest | Germany | Open - INTERMAGNET member | ||
| BGA | Borga | Antarctica (Norway) | Closed | ||
| BGH | Baghdad | Iraq | Closed | ||
| BGY | Bar Gyora | Israel | Open | ||
| BIN | Binza | Zaire | Closed | ||
| BJI | Bei-Jing | China | Closed | ||
| BJN | Bjornoya | Norway | Open | ||
| BKC | Back | Canada | Closed | ||
| BKK | Bangkok | Thailand | Closed | ||
| BLC | Baker Lake | Canada | Open - INTERMAGNET member | ||
| BLT | Beloit | United States of America | Closed | ||
| BMK | Mikolow | Germany | Closed | ||
| BMT | Beijing Ming Tombs | China | Open - INTERMAGNET member | ||
| BNA | Bunia | Congo. DRC | Closed | ||
| BNG | Bangui | Central African Republic | Closed | ||
| BOC | Bochum | Germany | Closed | ||
| BOD | Bodo | Norway | Closed | ||
| BOP | Bossekop | Norway | Closed | ||
| BOU | Boulder | United States of America | Open - INTERMAGNET member | ASY | |
| BOX | Borok | Russia | Open - INTERMAGNET member | ||
| BRD | Brandon | Canada | Open - INTERMAGNET member | ||
| BRE | Breslau | Poland | Closed | ||
| BRN | Barnaul | Russia | Closed | ||
| BRS | Brisbane | Australia | Closed | ||
| BRT | Burlington | United States of America | Closed | ||
| BRW | Barrow | United States of America | Open - INTERMAGNET member | AE | |
| BSL | Stennis Space Center | United States of America | Open - INTERMAGNET member | ||
| BTI | Barter Island | United States of America | Closed | ||
| BTV | Batavia | Indonesia | Closed | ||
| BUC | Bucharest | Romania | Closed | ||
| BUP | Budapest | Hungary | Closed | ||
| BUZ | Budakeszi | Hungary | Closed | ||
| BYH | Hackney Wick 2 | United Kingdom | Closed | ||
| BYR1 | Byrd Station 1 | Antarctica (United States of America) | Closed | ||
| BYR2 | Byrd Station 2 | Antarctica (United States of America) | Closed | ||
| BZR | Bouzareah | Algeria | Closed | ||
| CAI | Campbell Island | New Zealand | Closed | ||
| CAO | Castellaccio | Italy | Closed | ||
| CAX | Carrollton | United States of America | Closed | ||
| CBB | Cambridge Bay | Canada | Open - INTERMAGNET member | ||
| CBI | Chichijima | Japan | Open | ||
| CCL | Chiclayo | Peru | Closed | ||
| CCP | Cebu | Philippines | Closed | ||
| CCS | Cape Chelyuskin | Russia | Open | AE | |
| CDE | Cape Denison | Antarctica (Australia) | Closed | ||
| CDP | Chengdu | China | Open | ||
| CDS | Camp Douglas | United States of America | Closed | ||
| CEV | Cape Evans | Antarctica (United Kingdom) | Closed | ||
| CFI | Chesterfield Inlet | United States of America | Closed | ||
| CGH | Cape Of Good Hope | South Africa | Closed | ||
| CHL | Changli | China | Closed | ||
| CHP | Cachoeira Paulista | Brazil | Closed | ||
| CHR | Christchurch | New Zealand | Closed | ||
| CHT | Chittagong | Bangladesh | Closed | ||
| CKA | Cape Kamenniy | Russia | Closed | ||
| CKI | Cocos Keeling Island | Australia | Open - INTERMAGNET member | ||
| CLA | Colaba | India | Closed | ||
| CLB | Chilbolton | United Kingdom | Closed | ||
| CLF | Chambon La Foret | France | Open - INTERMAGNET member | am, ASY | |
| CLH | Cheltenham | United States of America | Closed | Kp | replaced by FRD |
| CLI | Climax | United States of America | Closed | ||
| CLL | Collmberg | Germany | Closed | ||
| CLZ | Clausthal | Germany | Closed | ||
| CMB | Chimbote | Peru | Closed | ||
| CMO | College | United States of America | Open - INTERMAGNET member | AE | |
| CNB | Canberra | Australia | Open - INTERMAGNET member | aa, am, Kp | |
| CNH | Changchun | China | Open - INTERMAGNET member | ||
| COI | Coimbra | Portugal | Open | ||
| COP | Copenhagen | Denmark | Closed | ||
| CPA | Cha-Pa | Vietnam | Open | ||
| CPD | Capodimonte | Italy | Closed | ||
| CPI | Capri | Italy | Closed | ||
| CPL | Choutuppal | India | Open - INTERMAGNET member | ||
| CPS | Cape Schmidt | Russia | Open | ||
| CPY | Cape Parry | Canada | Closed | ||
| CRA | Krakau | Poland | Closed | ||
| CRC | Castle Rock | United States of America | Closed | ||
| CRP | Chiripa | Costa Rica | Open | ||
| CSR | Casper | United States of America | Closed | ||
| CSS | Colorado Springs | United States of America | Closed | ||
| CSY | Casey Station | Antarctica (Australia) | Open - INTERMAGNET member | ||
| CTA | Charters Towers | Australia | Open - INTERMAGNET member | ||
| CTH | Cap Thordsen | Norway | Closed | ||
| CTO | Cape Town | South Africa | Closed | ||
| CTS | Castello Tesino | Italy | Open | ||
| CTX | Charcot | Antarctica (France) | Closed | ||
| CUA | Cuajimalpa | Mexico | Closed | ||
| CUS | Cuzco | Peru | Closed | ||
| CWE | Cape Wellen | Russia | Closed | AE | replaced by PBK |
| CYG | Cheongyang | Republic of Korea | Open - INTERMAGNET member | ||
| CZA | Cape Zhelania | Russia | Closed | ||
| CZT | Port Alfred | French Southern and Antarctic Lands (France) | Open | am | |
| DAL | Dallas | United States of America | Closed | ||
| DAR | Darwin | Australia | Closed | ||
| DAV | Davao | Philippines | Closed | ||
| DBN | De Bilt | Netherlands | Closed | ||
| DDI | Dehra Dun | India | Closed | ||
| DED | Deadhorse | United States of America | Open - INTERMAGNET member | ||
| DEK | Dekelia | Greece | Closed | ||
| DIK | Dixon | Russia | Open | AE | |
| DIS | Discovery Bay | Canada | Closed | ||
| DJI | Djibouti | Djibouti | Closed | ||
| DLN | Dalian | China | Closed | ||
| DLR | Del Rio | United States of America | Closed | ||
| DLT | Dalat | Vietnam | Open - INTERMAGNET member | ||
| DMC | Dome C | Antarctica (France & Italy) | Open | ||
| DMF | Dome Fuji | Antarctica (Japan) | Closed | ||
| DNB | Donnersberg | Germany | Closed | ||
| DOB | Dombas | Norway | Open | ||
| DOU | Dourbes | Belgium | Open - INTERMAGNET member | ||
| DRS | Dar Es Salaam | Tanzania | Closed | ||
| DRV | Dumont d'Urville | Antarctica (France) | Open | ||
| DUB | Dublin | Ireland | Closed | ||
| DUR | Duronia | Italy | Open - INTERMAGNET member | ||
| DVS | Davis | Antarctica (Australia) | Closed | ||
| EAA | East Anglia | United Kingdom | Closed | ||
| EAS | El Abiod Sidi | Algeria | Closed | ||
| EBR | Ebro | Spain | Open - INTERMAGNET member | ||
| EDA | Edea | Cameroon | Open | ||
| EGS | Eights Station | Antarctica (United States of America) | Closed | ||
| EIC | Easter Island | Chile | Closed | ||
| EKP | Eskimo Point | Canada | Closed | ||
| ELI | Elizabethville | Zaire | Closed | ||
| ELT | Eilat | Israel | Open | ||
| ENB | Eielson Afb | United States of America | Closed | ||
| ENK | Enkoping | Sweden | Closed | ||
| EPN | Espanola | United States of America | Closed | ||
| ESA | Esashi | Japan | Open | ||
| ESK | Eskdalemuir | United Kingdom | Open - INTERMAGNET member | Kp | |
| ETA | Etah | Canada | Closed | ||
| ETP | Eastport | United States of America | Closed | ||
| ETT | Etaiyapuram | India | Closed | ||
| EUA | Eureka | Canada | Closed | ||
| EUS | Eusebio | Brazil | Closed | ||
| EYR | Eyrewell | New Zealand | Open - INTERMAGNET member | am, Kp | |
| FAL | Falmouth | United Kingdom | Closed | replaced by LER | |
| FAN | Fanning Island | Gilbert Islands (Kiribati) | Closed | ||
| FCC | Fort Churchill | Canada | Open - INTERMAGNET member | AE | |
| FCP | Fort Chipewyan | Canada | Closed | ||
| FCR | Fort Conger | Canada | Closed | ||
| FLB | Floeberg Beach | Canada | Closed | ||
| FLE | Flensburg | Germany | Closed | ||
| FMM | Fort Mcmurray | Canada | Closed | ||
| FRA | Fort Rae | Canada | Closed | ||
| FRB | Freiberg | Germany | Closed | ||
| FRD | Fredericksburg | United States of America | Open - INTERMAGNET member | am, Kp, ASY | |
| FRN | Fresno | United States of America | Open - INTERMAGNET member | ||
| FSM | Fort Smith | Canada | Closed | ||
| FSP | Fort Simpson | Canada | Closed | ||
| FSV | Fort Severn | Canada | Closed | ||
| FTN | Freetown | Sierra Leone | Closed | ||
| FUQ | Fuquene | Colombia | Open | SC | |
| FUR | Furstenfeldbruck | Germany | Open - INTERMAGNET member | ||
| FYU | Fort Yukon | United States of America | Closed | ||
| GAN | Addu Atoll | Maldives | Open - INTERMAGNET member | ||
| GAS | Gauss Station | Antarctica | Closed | ||
| GCK | Grocka | Serbia | Open - INTERMAGNET member | ||
| GDH | Qeqertarsuaq (Godhavn) | Greenland (Denmark) | Open - INTERMAGNET member | ||
| GEL | Gelania | Russia | Closed | ||
| GEN | Genova C | Italy | Closed | ||
| GHB | Godthaab | Greenland (Denmark) | Closed | ||
| GIB | Gibilmanna | Italy | Closed | ||
| GIM | Gillam | Canada | Closed | ||
| GIR | Girardville | Canada | Closed | ||
| GIT | Gilgit | Pakistan | Closed | ||
| GJO | Gjoahavn | Greenland (Denmark) | Closed | ||
| GLM | Golmud | China | Open | ||
| GLN | Glenlea | Canada | Closed | replaced by BRD | |
| GNA | Gnangara | Australia | Closed | am | replaced by GNG |
| GNG | Gingin | Australia | Open - INTERMAGNET member | am | |
| GOT | Gottingen | Germany | Closed | ||
| GRM | Grahamstown | South Africa | Closed | ||
| GRR | Gross Raum | Germany | Closed | ||
| GRW | Greenwich | United Kingdom | Closed | aa | replaced by ABN |
| GTT | Gottingen | Germany | Closed | ||
| GTV | Grytviken | South Georgia & the South Sandwich Is. (United Kingdom) | Closed | ||
| GTW | Great Wall Station | Antarctica (China) | Closed | ||
| GUA | Guam | United States of America | Open - INTERMAGNET member | ||
| GUI | Guimar-Tenerife | Spain | Open - INTERMAGNET member | SC | |
| GUL | Gulmarg | India | Open | ||
| GVD | Gonzales Videla | Antarctica (Chile) | Closed | ||
| GVN | Georg Von Neumayer | Antarctica (Germany) | Closed | ||
| GWC | Great Whale River | Canada | Closed | ||
| GYX | Guiyang | China | Open | ||
| GZH | Zhaoqing | China | Open - INTERMAGNET member | ||
| HAD | Hartland | United Kingdom | Open - INTERMAGNET member | aa, am, Kp | |
| HAM | Hamburg | Germany | Closed | ||
| HAN | Hankasalmi | Finland | Open | ||
| HBA | Halley Bay | Antarctica (United Kingdom) | Closed | ||
| HBK | Hartebeesthoek | South Africa | Open - INTERMAGNET member | ||
| HCR | Herchmer | Canada | Closed | ||
| HDF | Hermsdorf | Germany | Closed | ||
| HEA | Healy | United States of America | Closed | ||
| HER | Hermanus | South Africa | Open - INTERMAGNET member | am, Dst, ASY | |
| HHH | Huhehaote | China | Closed | ||
| HII | Heard Island | Heard Island (Australia) | Closed | ||
| HIS | Heiss Island | Russia | Closed | ||
| HKC | Hong Kong 1 | Hong Kong | Closed | ||
| HLL | Hallet | Antarctica (United States of America) | Closed | ||
| HLP | Hel | Poland | Open - INTERMAGNET member | ||
| HLS | Helsinki | Finland | Closed | ||
| HLW | Helwan | Egypt | Closed | ||
| HNA | Hollandia | Indonesia | Closed | ||
| HOB | Hobarton | Australia | Closed | ||
| HON | Honolulu | United States of America | Open - INTERMAGNET member | Dst, SC, ASY | |
| HRB | Hurbanovo | Slovakia | Open - INTERMAGNET member | ||
| HRI | Hayriver | Canada | Closed | ||
| HRN | Hornsund | Norway | Open - INTERMAGNET member | ||
| HST | Holsteinsborg | Greenland (Denmark) | Closed | ||
| HTY | Hatizyo | Japan | Closed | ||
| HUA | Huancayo | Peru | Open - INTERMAGNET member | ||
| HUS | Husafell | Iceland | Closed | ||
| HUT | Discovery Bay | Antarctica (United States of America) | Closed | ||
| HVN | Havana | Cuba | Closed | ||
| HWK | Hackney Wick 1 | United Kingdom | Closed | ||
| HYB | Hyderabad | India | Open - INTERMAGNET member | SC | |
| HZC | Hangzhou | China | Closed | ||
| IBD | Ibadan | Nigeria | Closed | ||
| IIF | Ile-Ife | Nigeria | Closed | ||
| ILN | Inge Lehmann | Greenland (Denmark) | Closed | ||
| INK | Inuvik | Canada | Closed | ||
| IPM | Isla De Pascua Mataveri (Easter Island) | Chile | Open - INTERMAGNET member | ||
| IQA | Iqaluit | Canada | Open - INTERMAGNET member | ||
| IRT | Irkutsk | Russia | Open - INTERMAGNET member | am | |
| ISC | Isachsen | Canada | Closed | ||
| ISK | Istanbul Kandilly | Turkey | Open | ||
| ISL | Island Lake | Canada | Closed | ||
| ISP | Islamabad | Pakistan | Open | ||
| IVA | Ivalo | Finland | Closed | ||
| IVI | Ivigtut | Greenland (Denmark) | Closed | ||
| IZN | Iznik | Turkey | Open - INTERMAGNET member | ||
| JAI | Jaipur | India | Open - INTERMAGNET member | ||
| JAL | Jaluit | Trust Territory Pacific Island | Closed | ||
| JCO | Jim Carrigan Observatory | United Kingdom | Open - INTERMAGNET member | ||
| JIH | Jinghai | China | Closed | ||
| JKI | Jekman Island | Russia | Closed | ||
| JMI | Jan Mayen | Norway | Closed | ||
| JOP | Johnson Point | Canada | Closed | ||
| JRV | Jarvis Island | Gilbert Islands (Kiribati) | Closed | ||
| JSS | Jassy | Romania | Closed | ||
| JUL | Julianehaab | Greenland (Denmark) | Closed | ||
| JYG | Jiayuguan | China | Closed | ||
| KAK | Kakioka | Japan | Open - INTERMAGNET member | Dst | |
| KAM | Kamenniyj Mys | Russia | Closed | ||
| KAR | Karmakuli | Russia | Closed | ||
| KAS | Karsani | Georgia | Closed | ||
| KAT | Katuura | Japan | Closed | ||
| KDU | Kakadu | Australia | Open - INTERMAGNET member | ||
| KEL | Keles | Uzbekistan | Closed | ||
| KEM | Kem | Russia | Closed | ||
| KEP | King Edward Point | United Kingdom | Open - INTERMAGNET member | am | |
| KEW | Kew | United Kingdom | Closed | replaced by ESK | |
| KFT | Klagenfurt | Austria | Closed | ||
| KGD | Berezniaki/Karaganda | Kazakhstan | Closed | ||
| KGF | Kinguafjord | Canada | Closed | ||
| KGI | King George Island | Antarctica | Closed | ||
| KGL | Kerguelen | French Southern and Antarctic Lands (France) | Closed | ||
| KHB | Khabarovsk | Russia | Open - INTERMAGNET member | ||
| KHS | Kharasavey | Russia | Closed | ||
| KIE | Kiel | Germany | Closed | ||
| KIR | Kiruna | Sweden | Open | ||
| KIV | Kiev | Ukraine | Open - INTERMAGNET member | ||
| KLD | Kaliningrad | Russia | Closed | ||
| KLI | Klimovskaya | Russia | Open | ||
| KLY | Klyuchi | Russia | Closed | ||
| KMH | Keetmanshoop | Namibia | Open - INTERMAGNET member | ||
| KND | Kandalaksha | Russia | Closed | ||
| KNG | Kaliningrad | Russia | Closed | ||
| KNT | Kontagora | Nigeria | Closed | ||
| KNY | Kanoya | Japan | Open - INTERMAGNET member | SC | |
| KNZ | Kanozan | Japan | Open | ||
| KOD | Kodaikanal | India | Open | ||
| KOR | Koror | Trust Territory Pacific Island | Closed | ||
| KOT | Kotzebue | United States of America | Closed | ||
| KOU | Kourou | French Guiana (France) | Open - INTERMAGNET member | ||
| KPG | Kupang | Indonesia | Open | ||
| KPT | King Point | Canada | Closed | ||
| KRC | Karachi | Pakistan | Closed | ||
| KRE | Kremsmunster | Austria | Closed | ||
| KSA | Ksara | Lebanon | Closed | ||
| KSH | Kashi | China | Open | ||
| KTC | Kuchino | Russia | Closed | ||
| KTG | Kap Tobin | Greenland (Denmark) | Closed | ||
| KTS | Korets | Kazakhstan | Closed | ||
| KUM | Kumasi | Ghana | Closed | ||
| KUY | Kuyper | Indonesia | Closed | ||
| KVA | Karavia | Zaire | Closed | ||
| KWJ | Kwajalein | United States of America | Closed | ||
| KWT | Key West | United States of America | Closed | ||
| KZA | Kzil-Agach | Kazakhstan | Closed | ||
| KZN | Kazan | Russia | Open | ||
| LAA | Little America | Antarctica (United States of America) | Closed | ||
| LAS | Las Acacias | Argentina | Closed | ||
| LAU | Lauder | New Zealand | Closed | am | |
| LDV | Leadville | United States of America | Closed | ||
| LED | Leduc | Canada | Closed | ||
| LER | Lerwick | United Kingdom | Open - INTERMAGNET member | Kp | |
| LGR | Logrono | Spain | Closed | ||
| LIS | Lisbon | Portugal | Closed | ||
| LIV | Livingston Island | Antarctica (Spain) | Open | ||
| LKP | Lukiapang | China | Closed | ||
| LMD | La Maddalena | Italy | Closed | ||
| LMM | Maputo | Mozambique | Open | ||
| LNN | Voeikovo | Russia | Closed | ||
| LNP | Lunping | China | Closed | ||
| LOB | Loring Afb | United States of America | Closed | ||
| LOC | Lompoc | United States of America | Closed | ||
| LON | Lonjsko Polje | Croatia | Open - INTERMAGNET member | ||
| LOS | Los Angeles | United States of America | Closed | ||
| LOV | Lovo | Sweden | Closed | Kp | replaced by UPS |
| LOZ | Lovozero | Russia | Open | ||
| LPB | La Paz | Bolivia | Closed | ||
| LQA | La Quiaca | Argentina | Closed | ||
| LRM | Learmonth | Australia | Open - INTERMAGNET member | ||
| LRV | Leirvogur | Iceland | Open | AE | |
| LSA | Lhasa | China | Closed | ||
| LUA | Luanda | Angola | Closed | ||
| LUB | Lubeck | Germany | Closed | ||
| LUC | Lucky Lake | Canada | Closed | ||
| LUK | Lukiapang | China | Closed | ||
| LVV | Lviv | Ukraine | Open - INTERMAGNET member | ||
| LWI | Lwiro | Zaire | Closed | ||
| LYC | Lycksele | Sweden | Open - INTERMAGNET member | ||
| LYH | Longyao | China | Open | ||
| LYN | Lynn Lake | Canada | Closed | ||
| LZH | Lanzhou | China | Closed | ||
| LZV | Lazarev | Antarctica (Russia) | Closed | ||
| MAB | Manhay | Belgium | Open - INTERMAGNET member | ||
| MAI | Maitun/Vladivostok | Russia | Closed | ||
| MAK | Makerstoun | United Kingdom | Closed | ||
| MAN | Manila | Philippines | Closed | ||
| MAS | Maisach | Germany | Closed | ||
| MAW | Mawson | Antarctica (Australia) | Open - INTERMAGNET member | ||
| MBC | Mould Bay | Canada | Closed | ||
| MBO | Mbour | Senegal | Open | SC | |
| MCH | Mengcheng | China | Open | ||
| MCL | Mt Clemens | United States of America | Closed | ||
| MCM | Mcmurdo | Antarctica (United States of America) | Closed | ||
| MCP | Genova Monte Capellino | Italy | Closed | ||
| MCQ | Macquarie Island | Australia | Open - INTERMAGNET member | ||
| MDD | Madrid | Spain | Closed | ||
| MDS | Madras | India | Closed | ||
| MDY | Midway | Midway Islands (United States of America) | Closed | ||
| MEA | Meanook | Canada | Open - INTERMAGNET member | Kp | |
| MEL | Melbourne | Australia | Closed | aa | replaced by TOO |
| MEV | Melville Afb | Canada | Closed | ||
| MEX | Mexico City | Mexico | Closed | ||
| MFP | Moca | Equatorial Guinea | Closed | ||
| MGD | Magadan | Russia | Open - INTERMAGNET member | am | |
| MGS | Magallanes | Chile | Closed | ||
| MID | Midway | United States of America | Closed | ||
| MIN | Minamitory Shima | Japan | Closed | ||
| MIO | Mizuho | Antarctica (Japan) | Closed | ||
| MIR | Mirny | Antarctica (Russia) | Open | ||
| MIU | Miyazu | Japan | Closed | ||
| MIZ | Mizusawa | Japan | Open | ||
| MJR | Majuro | Trust Territory Pacific Island | Closed | ||
| MKL | Malyye Karmakuly | Russia | Closed | ||
| MLT | Misallat | Egypt | Closed | ||
| MMB | Memambetsu | Japan | Open - INTERMAGNET member | am, ASY | |
| MMH | Mcmath-Hulbert | United States of America | Closed | ||
| MMK | Loparskaya/Murmansk | Russia | Closed | ||
| MND | Manado | Indonesia | Closed | ||
| MNH | Munchen | Germany | Closed | ||
| MNK | Minsk/Pleshenitzi | Belarus | Open | ||
| MNN | Minneapolis | United States of America | Closed | ||
| MOD | Modiim | Israel | Closed | ||
| MOG | Mogadiscio | Somalia | Closed | ||
| MOH | Mo He | China | Closed | ||
| MOL | Molodezhnaya | Antarctica (Russia) | Closed | ||
| MOS | Moskva | Russia | Open | ||
| MRI | Mauritius | Mauritius | Closed | ||
| MRM | Murmansk | Russia | Closed | ||
| MRN | Marion Island | South Africa | Closed | ||
| MSC | Maisach | Germany | Closed | ||
| MSK | Moskva | Russia | Closed | ||
| MSR | Matochkin Shar | Russia | Closed | ||
| MUB | Murchison Bay | Norway | Closed | ||
| MUT | Muntinlupa | Philippines | Open | ||
| MWC | Mt Wilson | United States of America | Closed | ||
| MWR | Mount Weather | United States of America | Closed | ||
| MZL | Manzhouli | China | Open | ||
| NAI | Nairobi | Kenya | Closed | ||
| NAJ | Nanjing | China | Open | ||
| NAL | New Alesund | Norway | Open | ||
| NAQ | Narsarsuaq | Greenland (Denmark) | Open - INTERMAGNET member | AE | |
| NCE | Nice | France | Closed | ||
| NCK | Nagycenk | Hungary | Open - INTERMAGNET member | ||
| NDA | Nida | Russia | Closed | ||
| NER | Nerchinsk | Russia | Closed | ||
| NEW | Newport | United States of America | Open - INTERMAGNET member | am | |
| NFW | Neufahrwasser | Poland | Closed | ||
| NGK | Niemegk | Germany | Open - INTERMAGNET member | am, Kp | |
| NGP | Nagpur | India | Open | ||
| NHO | Norway House | Canada | Closed | ||
| NKK | Novokazalinsk | Russia | Closed | ||
| NMP | Nampula | Mozambique | Open | ||
| NMT | Numto | Russia | Closed | ||
| NNT | Nanortalik | Greenland (Denmark) | Closed | ||
| NNV | Nizhnedevitsk | Former Soviet Union | Closed | ||
| NOK | Norilsk | Russia | Closed | ||
| NOW | Norman Wells | Canada | Closed | ||
| NPF | North Pole 6 | Russia | Closed | ||
| NPG | North Pole 7 | Russia | Closed | ||
| NPH | North Pole 8 | Russia | Closed | ||
| NPJ | North Pole 10 | Russia | Closed | ||
| NPL | North Pole 12 | Russia | Closed | ||
| NPM | North Pole 13 | Russia | Closed | ||
| NRD | Nord | Greenland (Denmark) | Closed | ||
| NRW | Northway | United States of America | Closed | ||
| NSM | Nitsanim | Israel | Closed | ||
| NTS | Nantes | France | Closed | ||
| NUR | Nurmijarvi | Finland | Open - INTERMAGNET member | ||
| NVL | Novolazarevskaya | Antarctica (Russia) | Open | ||
| NVS | Novosibirsk | Russia | Open - INTERMAGNET member | am | |
| NWP | North West Pacific | Japan | Closed | ||
| NWS | Norway Station | Antarctica (Norway) | Closed | ||
| NYI | New Year Island | Argentina | Closed | ||
| OAS | Oasis | Antarctica (Poland) | Closed | ||
| ODA | Odessa | Ukraine | Closed | ||
| ODE | Odessa (Stepanovka) | Ukraine | Open | ||
| OGY | O'Gyalia | Slovakia | Closed | ||
| OKN | Okinawa | Japan | Closed | ||
| ONW | Onagawa | Japan | Closed | ||
| ORB | Orange Bay | Chile | Closed | ||
| ORC | Orcadas Del Sur | Antarctica (Argentina) | Open - INTERMAGNET member | ||
| OSL | Oslo | Norway | Closed | ||
| OTM | Otomari | Japan | Closed | ||
| OTT | Ottawa | Canada | Open - INTERMAGNET member | am, Kp | |
| OUL | Oulujarvi | Finland | Open | ||
| PAB | Paramaribo | Suriname | Closed | ||
| PAF | Port-Aux-Francais | French Southern and Antarctic Lands (France) | Open - INTERMAGNET member | am | |
| PAG | Panagjurishte | Bulgaria | Open - INTERMAGNET member | ||
| PAI | Palmyra Island | United States of America | Closed | ||
| PAT | Patrick | United States of America | Closed | ||
| PBK | Pebek | Russia | Open | AE | |
| PBQ | Poste De La Baleine | Canada | Closed | AE | replaced by SNK |
| PBR | Port Blair | India | Open | ||
| PCU | Price | United States of America | Closed | ||
| PEB | Pelly Bay | Canada | Closed | ||
| PEG | Penteli | Greece | Open - INTERMAGNET member | ||
| PEK | Peking 1 | China | Closed | ||
| PER | Perpignan | France | Closed | ||
| PET | Paratunka/Petropavlovsk | Russia | Open - INTERMAGNET member | am | |
| PFK | Port Foulke | Greenland (Denmark) | Closed | ||
| PGC | Philadelphia | United States of America | Closed | ||
| PHU | Phuthuy | Vietnam | Open - INTERMAGNET member | ||
| PIL | Pilar | Argentina | Open - INTERMAGNET member | ||
| PIO | Pionerskaya | Antarctica (Russia) | Closed | ||
| PIU | Piura | Peru | Open | ||
| PJA | Port Jeanne D'Arc | French Southern and Antarctic Lands (France) | Closed | ||
| PLA | Palau | Trust Territory Pacific Island | Closed | ||
| PLR | Pelabuhan Ratu | Indonesia | Open | ||
| PLS | Plaisance | Mauritius | Closed | ||
| PMG | Port Moresby | Papua New Guinea | Closed | SC | |
| PND | Pondicherry | India | Open | ||
| PNN | Penang | Madagascar | Closed | ||
| POD | Bor (Podkamennaya Tunguska) | Russia | Closed | am | |
| POK | Poker Flat | United States of America | Closed | ||
| POL | Pola | Croatia | Closed | ||
| POT | Potsdam | Germany | Closed | ||
| PPT | Pamatai | French Polynesia (France) | Open - INTERMAGNET member | ||
| PRA | Prague | Czech Republic | Closed | ||
| PRE | Preobrazhenia | Russia | Closed | ||
| PRG | Progress | Antarctica (Russia) | Open | ||
| PRU | Pruhonice | Formerly Czechoslovakia | Closed | ||
| PSM | Saint Maur | France | Closed | ||
| PST | Port Stanley | Falkland Islands (United Kingdom) | Open - INTERMAGNET member | am | |
| PTL | Pitlekaya | Russia | Closed | ||
| PTS | Petsamo | Russia | Closed | ||
| PTU | Plateau | Antarctica (United States of America) | Closed | ||
| PTY | Patacamaya | Bolivia | Open | ||
| QGZ | Qiongzhong | China | Open | ||
| QIX | Qianling | China | Open | ||
| QSB | Qsaybeh | Lebanon | Closed | ||
| QUE | Quetta | Pakistan | Closed | ||
| QZH | Quanzhou | China | Open | ||
| RAC | Raciborg | Poland | Closed | ||
| RBD | Roi Baudouin | Antarctica (Belgium) | Closed | ||
| RDJ | Rio De Janeiro | Brazil | Closed | ||
| REG | Regensberg | Switzerland | Closed | ||
| RES | Resolute Bay | Canada | Open - INTERMAGNET member | ||
| RFH | Refuge Harbour | Canada | Closed | ||
| RIT | Rankin Inlet | Canada | Closed | ||
| RKT | Rajkot | India | Open | ||
| ROB | Roburent | Italy | Closed | ||
| ROD | Rostov On Don | Russia | Closed | ||
| ROK | Rostock | Germany | Closed | ||
| RPC | Rapid City | United States of America | Closed | ||
| RSV | Rude Skov | Denmark | Closed | Kp | replaced by BFE |
| RYB | Rybachy | Russia | Closed | ||
| SAB | Sabhawala | India | Open | ||
| SAG | Sagastyr | Russia | Closed | ||
| SAH | Sachs Harbour | Canada | Closed | ||
| SAN | Sanya | China | Closed | ||
| SAS | Saskatoon | Canada | Closed | ||
| SBA | Scott Base | Antarctica (New Zealand) | Open - INTERMAGNET member | ||
| SBL | Sable Island | United Kingdom | Open - INTERMAGNET member | ||
| SCO | Scoresby Sund | Greenland (Denmark) | Closed | ||
| SDH | Sidmouth | United Kingdom | Closed | ||
| SED | Seddin | Germany | Closed | ||
| SEO | Seoul | South Korea | Closed | ||
| SEY | Seykha | Russia | Closed | ||
| SFS | San Fernando | Spain | Open - INTERMAGNET member | ||
| SGE | South Georgia | United Kingdom | Closed | am | |
| SHB | Shepherd Bay | Canada | Closed | ||
| SHE | St Helena | Saint Helena Island | Open - INTERMAGNET member | ||
| SHL | Shillong | India | Open | ||
| SHT | Shatsk | Russia | Closed | ||
| SHU | Shumagin | United States of America | Open - INTERMAGNET member | ||
| SIL | Silchar | India | Open | ||
| SIM | Simferopol | Ukraine | Closed | ||
| SIN | Singapore | Singapore | Closed | ||
| SIT | Sitka | United States of America | Open - INTERMAGNET member | Kp | |
| SJB | San Jose Dos Campos | Brazil | Closed | ||
| SJG | San Juan | United States of America | Open - INTERMAGNET member | Dst, SC, ASY | |
| SJL | San Jose Las Lajas | Cuba | Closed | ||
| SKT | Sukkertoppen | Greenland (Denmark) | Closed | ||
| SLU | Slutsk | Russia | Closed | ||
| SMG | San Miguel | Portugal | Closed | ||
| SNA | Sanae | Antarctica (South Africa) | Closed | ||
| SNK | Sanikiluaq | Canada | Open | AE | |
| SNT | Santiago | Chile | Closed | ||
| SNV | Sinji Vrh | Slovenia | Open | ||
| SOD | Sodankyla | Finland | Open - INTERMAGNET member | ||
| SOG | Sogra | Russia | Closed | ||
| SON | Sonmiani | Pakistan | Open - INTERMAGNET member | ||
| SOR | Soroa | Cuba | Closed | ||
| SOU | South Uist | United Kingdom | Closed | ||
| SPA | South Pole | Antarctica (United States of America) | Closed | ||
| SPB | Spitsbergen | Norway | Closed | ||
| SPE | St. Petersburg | Russia | Closed | ||
| SPG | Saint Petersburg | Russia | Open - INTERMAGNET member | ||
| SPL | Siple | Antarctica (United States of America) | Closed | ||
| SPT | San Pablo-Toledo | Spain | Open - INTERMAGNET member | ||
| SRE | Srednikan | Russia | Closed | ||
| SRO | Srobarova | Slovakia | Closed | ||
| SSH | She-Shan | China | Closed | ||
| SSO | Simosato | Japan | Closed | ||
| STF | Sdr Stromfjord | Greenland (Denmark) | Closed | ||
| STH | St Helier | Jersey | Closed | ||
| STJ | St John'S | Canada | Open - INTERMAGNET member | ||
| STO | Stonyhurst | United Kingdom | Closed | ||
| SUA | Surlari | Romania | Open - INTERMAGNET member | ||
| SUB | Sudbury | United States of America | Closed | ||
| SVD | Vysokaya Dubrava | Russia | Closed | am | replaced by ARS |
| SVE | Sverdlovsk/Yekaterinburg | Russia | Closed | ||
| SVG | Sveagruva | Norway | Closed | ||
| SWI | Swider | Poland | Closed | ||
| SYD | Sydney | Australia | Closed | ||
| SYG | Shaoyang | China | Closed | ||
| SYO | Syowa Base | Antarctica (Japan) | Open | ||
| SZA | Stettin-Zabelsdorf | Poland | Closed | ||
| SZT | Las Mesas | Spain | Closed | ||
| TAA | Taijan | China | Closed | ||
| TAC | Tacubaya | Mexico | Closed | ||
| TAH | Tahiti | French Polynesia (France) | Closed | ||
| TAL | Talara | Peru | Closed | ||
| TAM | Tamanrasset | Algeria | Open - INTERMAGNET member | ||
| TAN | Antananarivo | Madagascar | Closed | ||
| TAP | Taipei/Taihoku | China | Closed | ||
| TAS | Tashkent | Uzbekistan | Closed | ||
| TAY | Taiyuan | China | Closed | ||
| TCN | Tate'S Cairn | China | Closed | ||
| TDC | Tristan Da Cunha | Tristan da Cunha (United Kingdom) | Open - INTERMAGNET member | ||
| TEH | Teheran | Iran | Closed | ||
| TEL | Tellnitz | Germany | Closed | ||
| TEN | S Cruz De Tenerife/Las Mesas | Spain | Closed | ||
| TEO | Teoloyucan | Mexico | Open | ||
| TEV | Tevriz | Russia | Closed | ||
| TFS | Dusheti | Georgia | Closed | ||
| TGO | Toungoo | Burma | Closed | ||
| THD | Thule 1 (Dundas) | Greenland (Denmark) | Closed | ||
| THJ | Tonghai | China | Open | ||
| THL | Qaanaaq (Thule) | Greenland (Denmark) | Open - INTERMAGNET member | PC | |
| THU | Thule/Camp Tuto | Greenland (Denmark) | Closed | ||
| THY | Tihany | Hungary | Open - INTERMAGNET member | ||
| TIF | Tiflis | Georgia | Closed | ||
| TIK | Tixie Bay | Russia | Open | AE | |
| TIO | Tiouine | Morocco | Closed | ||
| TIP | Tiruchirapalli | India | Closed | ||
| TIR | Tirunelveli | India | Open | ||
| TJO | Tjornes | Iceland | Closed | ||
| TKH | Tikhaya Bay | Russia | Closed | ||
| TKT | Yangi Bazar | Uzbekistan | Open | ||
| TLK | Talkeetna | United States of America | Closed | ||
| TLS | Toulouse | France | Closed | ||
| TMB | Tambey | Russia | Closed | ||
| TMK | Tomsk | Russia | Closed | am | |
| TMP | Thompson | Canada | Closed | ||
| TNB | Terra Nova Bay | Antarctica (Italy) | Open | ||
| TND | Tondano | Indonesia | Open | ||
| TNG | Tangerang | Indonesia | Open | ||
| TOH | Toyoharanew | Japan | Closed | ||
| TOK | Tokyo | Japan | Closed | ||
| TOL | Toledo | Spain | Closed | ||
| TOO | Toolangi | Australia | Closed | aa, am, Kp | replaced by CNB |
| TOR | Toronto | Canada | Closed | ||
| TPA | Tampa | United States of America | Closed | ||
| TPB | Teplitz Bay | Russia | Closed | ||
| TRD | Trivandrum | India | Closed | ||
| TRO | Tromso | Norway | Open | ||
| TRW | Trelew | Argentina | Open | am | |
| TSI | Tsingtao/Qingdao | China | Closed | ||
| TSK | Tasiusak | Greenland (Denmark) | Closed | ||
| TST | Tungsten | Canada | Closed | ||
| TSU | Tsumeb | Namibia | Open - INTERMAGNET member | ||
| TSY | Tianshui | China | Closed | ||
| TTB | Tatuoca | Brazil | Open - INTERMAGNET member | ||
| TUC | Tucson | United States of America | Open - INTERMAGNET member | am, ASY | |
| TUL | Tulsa | United States of America | Closed | ||
| TUM | Tumanny | Russia | Open | ||
| TUN | Tuntungan | Indonesia | Closed | ||
| UBA | Ulan Bator | Mongolia | Closed | ||
| UCC | Uccle | Belgium | Closed | ||
| UGT | Ugut | Russia | Closed | ||
| UJJ | Ujjain | India | Closed | ||
| UKH | Ukhta | Russia | Closed | ||
| UMA | Umba | Russia | Closed | ||
| UPP | Uppsala | Sweden | Closed | ||
| UPS | Uppsala | Sweden | Open - INTERMAGNET member | Kp | |
| URC | Uranium City | Canada | Closed | ||
| UTR | Utrecht | Netherlands | Closed | ||
| VAL | Valentia | Ireland | Open - INTERMAGNET member | ||
| VAN | Van Rensselaer | Greenland (Denmark) | Closed | ||
| VIC | Victoria | Canada | Open - INTERMAGNET member | am | |
| VLA | Gornotayezhnaya/Vladivostok | Russia | Closed | ||
| VLJ | Val Joyeux | France | Closed | ||
| VNA | Neumayer Station III | Antarctica (Germany) | Open - INTERMAGNET member | ||
| VOR | Voroshilov | Russia | Closed | ||
| VOS | Vostok | Antarctica (Russia) | Open - INTERMAGNET member | PC | |
| VQS | Vieques | Puerto Rico | Closed | ||
| VRE | Villa Remedios | Bolivia | Open | ||
| VSK | Visakhapatnam | India | Open | ||
| VSS | Vassouras | Brazil | Open - INTERMAGNET member | ||
| VYK | Vykhodnoy | Russia | Closed | ||
| WAT | Watheroo | Australia | Closed | ||
| WDC | Washington | United States of America | Closed | ||
| WES | Weston | United States of America | Closed | ||
| WHN | Wuhan | China | Open | ||
| WHS | White Shell | Canada | Closed | ||
| WIA | Wien-Auhof | Austria | Closed | ||
| WIC | Conrad Observatory | Austria | Open - INTERMAGNET member | ||
| WIK | Wien-Kobenzl | Austria | Closed | ||
| WIL | Wilkes | Antarctica (United States of America) | Closed | ||
| WIT | Witteveen | Netherlands | Closed | am, Kp | replaced by NGK |
| WKE | Wake Island | United States of America | Closed | ||
| WLH | Wilhelmshaven | Germany | Closed | ||
| WMQ | Urumqi | China | Open - INTERMAGNET member | ASY | |
| WNG | Wingst | Germany | Open - INTERMAGNET member | Kp | |
| WNP | Winnipeg | Canada | Closed | ||
| WRH | Warnkenhagen | Germany | Closed | ||
| WSE | White Sea | Russia | Open | ||
| WSW | Warsaw | Poland | Closed | ||
| WUS | Wustrow | Germany | Closed | ||
| XIC | Xichang | China | Closed | ||
| YAK | Yakutsk | Russia | Open - INTERMAGNET member | ||
| YAU | Yauca | Peru | Closed | ||
| YCB | Yinchuan | China | Closed | ||
| YKC | Yellowknife | Canada | Open - INTERMAGNET member | AE | |
| YNV | Janow | Ukraine | Closed | ||
| YON | Yonning | China | Closed | ||
| YSH | Yuzhny Shar | Russia | Closed | ||
| YSS | Yuzhno Sakhalinsk | Russia | Closed | ||
| ZAR | Zaria | Nigeria | Closed | ||
| ZHS | Zhong Shan | Antarctica (China) | Closed | ||
| ZIN | Zinzen | Korea Republic of | Closed | ||
| ZKW | Zi Ka Wei | China | Closed | ||
| ZSC | Zo Se | China | Closed | ||
| ZUY | Zuy | Russia | Closed | ||
| ZZH | Zhengzhou | China | Closed |