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
23 km WSW of Gustine, CA
8 hours ago · -0.7 km deep
3.3
14 km SE of Petrolia, CA
10 hours ago · 11.0 km deep
3.1
39 km SSW of Likely, CA
20 hours ago · 6.2 km deep
2.5
2 km NW of The Geysers, CA
1 day ago · 0.5 km deep
3.1
80 km WNW of Ferndale, CA
2 days ago · 4.6 km deep
2.5
5 km WSW of Burning Man Earth, Nevada
3 days ago · 1.5 km deep
2.6
18 km WSW of Petrolia, CA
4 days ago · 7.3 km deep
2.6
184 km WSW of Port Orford, Oregon
4 days ago · 10.0 km deep
2.5
10 km ESE of Gilroy, CA
6 days ago · 5.1 km deep
3.0
13 km W of Petrolia, CA
6 days ago · 19.6 km deep

Actions

View on USGSDid You Feel It?

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/