2.3

M2.3 Earthquake 7 km NNW of Lafayette, CA — October 23, 2025

2025-10-23 21:16:23 UTC (2025-10-23) · approx. 1:16 PM UTC-8 local

MagnitudeM2.3(md)
Time21:16 UTC≈ 1:16 PM UTC-8
Depth14.7 kmshallow crustal
Coordinates37.945°, -122.157°
Felt byNo felt reports
StatusAutomatic (preliminary)
Map showing earthquake epicenter at 37.94°, -122.16°

Earthquake Details

Magnitude
2.3 md
Depth
14.7 km
shallow crustal
Location
37.9448°N
-122.1565°E
Community Intensity
1.0
CDI from reports

Technical Information

Event ID
nc75253501
Event Type
earthquake
Status
Automatic
Significance
78
Stations Used
71
Azimuthal Gap
38.0°
Min Station Distance
0.026°
RMS Residual
0.12 sec
Last Updated
2025-10-23 22:52:20 UTC

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Actions

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Understanding This Data

Magnitude 2.3 earthquakes are typically only recorded by instruments.

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Authoritative source: USGS event page (event ID: nc75253501). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, October 23, 2025). M2.3 Earthquake 7 km NNW of Lafayette, CA — October 23, 2025. Retrieved May 26, 2026 from https://www.earthquaketracker.org/earthquakes/event/nc75253501/