TCAS - Cass Winery, Paso Robles, CA, USA

We operate broadband and borehole stations under the network code BK. The Berkeley Digital Seismic Network (BDSN) is a regional network of very broadband and strong motion seismic stations designed to monitor regional seismic activity as well as provide high quality data. The Berkeley borehole stations have borehole geophones or other seismic sensors and may have other geophysical instrumentation.

Station Name TCAS
In Operation 2015/02/24 19:00:00 - Present
Elevation: 381 meters meters
Instrumentation Borehole


Site is located at Cass Winery in Paso Robles, CA.


Berkeley Digital Seismic Network (BK)


Sedimentary layers

Borehole Conditions

This is a TremorScope borehole station. The casing is Schedule 21 PVC, and the inner diameter of the borehole is 6 inches. A hut is constructed over the borehole with solar panels on the roof providing power for the site.

Station Pictures

Photo of the hut at TCAS

Photo of the hut at TCAS

Drilling TCAS

Drilling TCAS

Table of Seismic Instrumentation

SensorDataloggerSEED ChannelsLocation
BroadbandGuralp CMG-3TB Broad Band SeismometerCMG-DM24-EAMBH?,CH?,LH?40
AccelerometerGuralp CMG-5TCCMG-DM24-EAMHN?00
Guralp CMG-5TCMG-DM24-EAMHN?40

Waveforms and associated metadata are available at the Northern California Earthquake Data Center (NCEDC).

Waveform Data