2.3

M2.3 Earthquake 3 km SE of San Ramon, CA — November 9, 2025

2025-11-09 19:22:55 UTC (2025-11-09) · approx. 11:22 AM UTC-8 local

MagnitudeM2.3(md)
Time19:22 UTC≈ 11:22 AM UTC-8
Depth8.5 kmshallow crustal
Coordinates37.762°, -121.946°
Felt byNo felt reports
StatusAutomatic (preliminary)
Map showing earthquake epicenter at 37.76°, -121.95°

Earthquake Details

Magnitude
2.3 md
Depth
8.5 km
shallow crustal
Location
37.7622°N
-121.9455°E

Technical Information

Event ID
nc75261136
Event Type
earthquake
Status
Automatic
Significance
82
Stations Used
45
Azimuthal Gap
41.0°
Min Station Distance
0.027°
RMS Residual
0.07 sec
Last Updated
2025-11-09 23:27:18 UTC

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Actions

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Understanding This Data

Magnitude 2.3 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: nc75261136). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, November 9, 2025). M2.3 Earthquake 3 km SE of San Ramon, CA — November 9, 2025. Retrieved November 9, 2025 from https://www.earthquaketracker.org/earthquakes/event/nc75261136/