The Guam observatory was established in 1957. The observatory is situated on property owned by the U.S. Air Force according to terms of an agreement with the USGS and the Geomagnetism Program. The facility is shared with the USGS Fort Collins Science Center (FORT) Brown Treesnake Project.
A seismometer for the USGS Global Seismic NetworkUNAVCO Global GNSS Network (GGN) monitoring stationCTBTO IMS Auxiliary Seismic StationThe Guam observatory is part of the 210 Magnetic Meridian Array