2.1

M2.1 Earthquake 5 km WNW of Cobb, CA — September 1, 2025

2025-09-01 20:53:18 UTC (2025-09-01) · approx. 12:53 PM UTC-8 local

MagnitudeM2.1(md)
Time20:53 UTC≈ 12:53 PM UTC-8
Depth2.1 kmshallow crustal
Coordinates38.833°, -122.785°
Felt byNo felt reports
StatusAutomatic (preliminary)
Map showing earthquake epicenter at 38.83°, -122.78°

Earthquake Details

Magnitude
2.1 md
Depth
2.1 km
shallow crustal
Location
38.8335°N
-122.7847°E

Technical Information

Event ID
nc75231757
Event Type
earthquake
Status
Automatic
Significance
71
Stations Used
41
Azimuthal Gap
59.0°
Min Station Distance
0.007°
RMS Residual
0.04 sec
Last Updated
2025-09-02 00:27:19 UTC

Nearby Earthquakes (Last 7 Days)

2.8
158 km W of Petrolia, CA
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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
3 days ago · 2.3 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
5 days ago · 11.6 km deep
2.6
20 km WSW of Petrolia, CA
5 days ago · 13.3 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: nc75231757). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, September 1, 2025). M2.1 Earthquake 5 km WNW of Cobb, CA — September 1, 2025. Retrieved September 2, 2025 from https://www.earthquaketracker.org/earthquakes/event/nc75231757/