BRAD - Bradley, 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 BRAD
In Operation 2021/06/03 22:00:00 - Present
Elevation: 470 meters
Instrumentation Broadband


Site is located on private property in Bradley, CA


Berkeley Digital Seismic Network (BK)


Pleistocene and/or Pliocene sandstone, shale, and gravels deposits

Borehole Conditions

The BRAD installation is based on the USArray vault design.

Station Pictures

BRAD site

BRAD site

Sensors in the vault

Sensors in the vault

Table of Seismic Instrumentation

SensorDataloggerSEED ChannelsLocation
AccelerometerEPISENSOR ES-TQ8HN?,LN?00

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

Waveform Data