SM2B - St. Mary's College Borehole, Moraga, 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 | SM2B |
| In Operation | 2007/03/06 00:38:00 - Present |
| Latitude | |
| Longitude: | |
| Elevation: | 200.0 meters |
| Instrumentation | Borehole |
Location
Site is located at Saint Mary's College in Moraga, California.Network
Northern Hayward Fault Network (BK)Geology
Sandstone
Borehole Conditions
The SM2B borehole was drilled by Caltrans. They also installed and cemented the sensor package at a depth of 150.9 m.Station Pictures
St. Mary's College |
Site of SM2B borehole |
Table of Seismic Instrumentation
| Sensor | Datalogger | SEED Channels | Location | |
| Accelerometer | Wilcoxon 731A Accel. (0.5 g max 10 v/g) | BASALT8X | BN?,CN?,LN? | 40 |
| Geophone | Oyo GeoSpace GS-11 Vertical Geophone | BASALT8X | DP?,LP?,SP? | 40 |
| Auxiliary | CPULoadAverage | BASALT8X | LC? | 40 |
| CalibrationInput | BASALT8X | LC? | 40 | |
| ClockPhase | BASALT8X | LC? | 40 | |
| ClockQuality | BASALT8X | LC? | 40 | |
| DataStorageUsed | BASALT8X | LC? | 40 | |
| Humidity | BASALT8X | LI? | 40 | |
| InputVoltage | BASALT8X | LE? | 40 | |
| SystemCurrent | BASALT8X | LE? | 40 | |
| Temperature | BASALT8X | LK? | 40 |
Waveforms and associated metadata are available at the Northern California Earthquake Data Center (NCEDC).
Waveform Data
- BK Information Directory, including
- List of station locations
- List of available channels
- Instrument Response
- Querying the archives
- Download waveform data
