2.1

M2.1 Earthquake 11 km WSW of Durham, CA — September 5, 2025

2025-09-05 21:33:51 UTC (2025-09-05) · approx. 1:33 PM UTC-8 local

MagnitudeM2.1(md)
Time21:33 UTC≈ 1:33 PM UTC-8
Depth22.8 kmshallow crustal
Coordinates39.620°, -121.926°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 39.62°, -121.93°

Earthquake Details

Magnitude
2.1 md
Depth
22.8 km
shallow crustal
Location
39.6202°N
-121.9258°E

Technical Information

Event ID
nc75233612
Event Type
earthquake
Status
✓ Reviewed
Significance
67
Stations Used
18
Azimuthal Gap
78.0°
Min Station Distance
0.103°
RMS Residual
0.07 sec
Last Updated
2025-09-15 17:27:18 UTC

Nearby Earthquakes (Last 7 Days)

2.8
158 km W of Petrolia, CA
1 day ago · 10.0 km deep
2.8
18 km SE of Silver Springs, Nevada
1 day ago · 7.8 km deep
2.7
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2.5
3 km ESE of Kenwood, CA
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3.1
6 km NW of The Geysers, CA
2 days ago · 2.3 km deep
2.8
171 km WSW of Port Orford, Oregon
2 days ago · 10.0 km deep
2.5
12 km ENE of San Martin, CA
3 days ago · 22.6 km deep
2.6
10 km SW of Petrolia, CA
4 days ago · 16.9 km deep
2.6
10 km ESE of Burney, CA
4 days ago · 13.9 km deep
3.0
5 km ESE of Interlaken, CA
4 days ago · 11.6 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: nc75233612). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, September 5, 2025). M2.1 Earthquake 11 km WSW of Durham, CA — September 5, 2025. Retrieved September 15, 2025 from https://www.earthquaketracker.org/earthquakes/event/nc75233612/