West Coast/Alaska Tsunami Warning Center Seismometer Sites

TOA1 Seismic Site

TOA2 Seismic Site

TOA

Site Conditions: S-13 seismometer buried approximately 2 feet deep in unconsolidated, Tertiary sandstone. Instrument is protected by a can. Site is located at an AT&T/Alascom communications site. Electronic equipment is located in AT&T building.