2.8

M2.8 Earthquake 45 km WNW of Petrolia, CA — April 29, 2025

2025-04-29 18:37:46 UTC (2025-04-29) · approx. 10:37 AM UTC-8 local

MagnitudeM2.8(md)
Time18:37 UTC≈ 10:37 AM UTC-8
Depth18.9 kmshallow crustal
Coordinates40.349°, -124.813°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 40.35°, -124.81°

Earthquake Details

Magnitude
2.8 md
Depth
18.9 km
shallow crustal
Location
40.3493°N
-124.8125°E

Technical Information

Event ID
nc75173786
Event Type
earthquake
Status
✓ Reviewed
Significance
120
Stations Used
91
Azimuthal Gap
240.0°
Min Station Distance
0.364°
RMS Residual
0.22 sec
Last Updated
2025-07-11 15:46:24 UTC

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Actions

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Understanding This Data

Magnitude 2.8 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: nc75173786). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, April 29, 2025). M2.8 Earthquake 45 km WNW of Petrolia, CA — April 29, 2025. Retrieved July 11, 2025 from https://www.earthquaketracker.org/earthquakes/event/nc75173786/