Data Attribution and Use Policy

CESMD Partners of USGS, CGS, and ANSS

CISN logo

San Ramon Earthquake of 30 Jan 2026

3.4 MW, 10:33:09.870 PST, Coordinates: 37.7500, -121.9478 Depth: 9.3 km
Interactive Map
View interactive station map


Last Update: 2026-01-30 10:36 (Pacific)


Station


Code/ID


Network
Distance (km)
Horiz  Apk (g)

View

Epic. Fault
Groundsort icon

Struct.

San Ramon - Pine Valley & Alcosta

 57307

CGSCalifornia Strong Motion Instrumentation Program

1.2

--

0.030

--

Castro Valley - Villareal & Clement

 58340

CGSCalifornia Strong Motion Instrumentation Program

8.0

--

0.008

--

Back to top