2.9

M2.9 Earthquake 77 km W of Petrolia, CA — December 31, 2025

2025-12-31 22:39:10 UTC (2025-12-31) · approx. 2:39 PM UTC-8 local

MagnitudeM2.9(md)
Time22:39 UTC≈ 2:39 PM UTC-8
Depth10.0 kmshallow crustal
Coordinates40.413°, -125.186°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 40.41°, -125.19°

Earthquake Details

Magnitude
2.9 md
Depth
10.0 km
shallow crustal
Location
40.4132°N
-125.1862°E

Technical Information

Event ID
nc75289386
Event Type
earthquake
Status
✓ Reviewed
Significance
131
Stations Used
78
Azimuthal Gap
241.0°
Min Station Distance
0.648°
RMS Residual
0.31 sec
Last Updated
2026-04-01 22:48:52 UTC

Nearby Earthquakes (Last 7 Days)

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4.4
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3.8
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2.6
1 km NNW of Angwin, CA
3 days ago · 4.0 km deep
3.6
0 km W of Angwin, CA
3 days ago · 8.7 km deep
2.6
15 km NNE of Red Bluff, CA
5 days ago · 26.9 km deep
3.2
2 km SE of Aromas, CA
6 days ago · 7.1 km deep

Actions

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Understanding This Data

Magnitude 2.9 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: nc75289386). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, December 31, 2025). M2.9 Earthquake 77 km W of Petrolia, CA — December 31, 2025. Retrieved April 1, 2026 from https://www.earthquaketracker.org/earthquakes/event/nc75289386/