Observatories
The geographic distribution of Geomagnetism Program observatories. Click on the observatory name for details of each facility.
BRW Barrow
BOU Boulder
CMO College
DLR Del Rio
FRD Fredericksburg
FRN Fresno
GUA Guam
HON Honolulu
NEW Newport
SJG San Juan
SHU Shumagin
SIT Sitka
BSL Stennis
TUC Tucson
Map of USGS Magnetic Observatory Locations. The geographic distribution of Geomagnetism Program observatories. Click on the observatory name for details of each facility. Shumagin is in the process of being installed.
