San Juan, Puerto Rico, United States
IMS Station Type
SJG is located at the U.S.Geological Survey Observatory San Juan, near Cayey, in south-central Puerto Rico. It was installed in 1993 as part of the Global Seismic Network, and was incorporated into the International Monitoring System in 2004.
Streckeisen STS-2 seismometer
Kinemetrics Q330 datalogger