The University of California Seismographic Stations at Berkeley recorded a mild earthquake, which occured at 03:11 PM local time, Friday December 01, 1995. The epicenter was located 5 miles WNW of Berkeley in the region 2 miles ESE of Richmond, CA. The moment magnitude recorded by the Berkeley network was 3.7. The earthquake was strongly felt at UC Berkeley - and disrupted the "Earthquake of the Week" class!

This event occurred in the same area as the magnitude 4.2 event of 06/26/94.

Click here for a map of recent seismicity along the Hayward fault. Click here for an image of the earthquake as recorded by the BDSN station BKS.

Earthquake Information

• Date & Time: 12/01/1995 03:11:29.258 PDT 23:11:29.258 UTC
• Location : 37.92, -122.32
• Magnitude : 3.7 Mw
• Depth : 6.82 km (4.24 miles)

Additional Event Information

• Event quality : 0 (0 = good , 4 = poor)
• Number of phases : 26
• Distance to nearest station : 7.02 km
• Azimuthal gap : 67 deg.

Seismic Moment Information

• Moment Tensor Results
• Surface Wave Method - Love Waves
• Surface Wave Method - Rayleigh Waves
• Complete Waveform Method

Additional Location Information

• 3 km ( 2 miles) ESE ( 114 degrees) of Richmond, CA
• 5 km ( 3 miles) NW ( 323 degrees) of Berkeley, CA
• 14 km ( 9 miles) NNW ( 342 degrees) of Oakland, CA
• 17 km ( 11 miles) ESE ( 110 degrees) of San Rafael, CA
• 17 km ( 11 miles) NNE ( 31 degrees) of San Francisco, CA

Solution Checked by

• Steven Fulton
• Richard McKenzie

Seismographic Station
475 McCone Hall (Earth Sciences Building)
UC Berkeley
Berkeley,CA 94720-4760
Telephone Number: 510-642-3977
Earthquake Information: 510-642-2160
Fax Number: 510-643-5811
E-mail: bdsn@seismo.berkeley.edu