2.1

M2.1 Earthquake 25 km W of Petrolia, CA — July 23, 2025

2025-07-23 19:37:41 UTC (2025-07-23) · approx. 11:37 AM UTC-8 local

MagnitudeM2.1(md)
Time19:37 UTC≈ 11:37 AM UTC-8
Depth13.7 kmshallow crustal
Coordinates40.303°, -124.574°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 40.30°, -124.57°

Earthquake Details

Magnitude
2.1 md
Depth
13.7 km
shallow crustal
Location
40.3027°N
-124.5740°E

Technical Information

Event ID
nc75214077
Event Type
earthquake
Status
✓ Reviewed
Significance
65
Stations Used
24
Azimuthal Gap
264.0°
Min Station Distance
0.178°
RMS Residual
0.16 sec
Last Updated
2025-07-29 23:07:17 UTC

Nearby Earthquakes (Last 7 Days)

3.1
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4.2
150 km WNW of Port Orford, Oregon
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2.7
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2.5
11 km ESE of Willits, CA
1 day ago · 6.8 km deep
3.5
16 km NE of Yerington, Nevada
1 day ago · 14.0 km deep
3.0
189 km W of Bandon, Oregon
1 day ago · 10.0 km deep
3.0
215 km W of Bandon, Oregon
2 days ago · 10.0 km deep
4.6
214 km W of Bandon, Oregon
2 days ago · 17.4 km deep
2.8
158 km W of Petrolia, CA
3 days ago · 10.0 km deep
2.8
18 km SE of Silver Springs, Nevada
3 days ago · 7.8 km deep

Actions

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Understanding This Data

Magnitude 2.1 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: nc75214077). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, July 23, 2025). M2.1 Earthquake 25 km W of Petrolia, CA — July 23, 2025. Retrieved July 29, 2025 from https://www.earthquaketracker.org/earthquakes/event/nc75214077/