West Coast/Alaska Tsunami Warning Center Seismometer Sites



COLA

The WC/ATWC has its S-13 short period instrument co-located with the IRIS program's KS54000 borehole seismometer, STS-2 seismometer, and FBA-23 low-gain sensor at the College, Alaska seismic vault.

Site Conditions: S-13 seismometer placed in the USGS College, Alaska vault. The vault is built on silt and loess deposits. Seismic piers are separated from floor.