Service International des Indices Géomagnétiques
International Service of Geomagnetic Indices

San Juan (SJG) observatory

IAGA code SJG
Location San Juan
Country United States of America
Open-Close 1903-
INTERMAGNET member (view)
   
Website http://geomag.usgs.gov/monitoring/observatories/sanjuan/
   
Altitude 424 m
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Geographic coordinates Geomagnetic coordinates
(IGRF-12 2015.5)
Corrected geomagnetic coordinates
(IGRF-12 2015.5)
Latitude Longitude   Latitude Longitude   Latitude Longitude
18.111°N 293.85°E 27.59°N 7°E 26.08°N 12.06°E
 
SJG contributes to Dst, ASY, SC indices K=9 lower limit 296 nT