San Juan (SJG) Geomagnetic Observatory
Station Id: SJG
Location: Cayey, PR
Latitude: 18.11°N
Longitude: 66.15°W
Elevation: 424 meters
Orientation: HDZF
Sections
Background
The Geomagnetism Program has operated an observatory at Puerto Rico since 1903. The current observatory site, consisting of 36 acres in the mountains near Cayey, has been in use since 1965.
Other Operations at San Juan
- A seismometer for the USGS Global Seismic Network.
- A seismometer for the Puerto Rican Seismic Network.
Customers
- The Space Environment Center of NOAA in Boulder.
- The United States Air Force Weather Agency at Offutt Air Force Base in Omaha, Nebraska.
- The Pacific Marine Environmental Laboratory of NOAA in Seattle.
- The International Service of Geophysical Indices.
- The Kyoto World Data Center.
- The San Juan observatory is part of the Measure Array.
- Academic, governmental, and private scientists engaged in pure and applied work.
Photos
Panoramic view of the San Juan Magnetic observatory.
Victor Cosme-Merced making absolute-field measurements.
