2.0

M2.0 Earthquake 20 km NW of Alder Springs, CA — September 4, 2025

2025-09-04 22:35:28 UTC (2025-09-04) · approx. 2:35 PM UTC-8 local

MagnitudeM2.0(md)
Time22:35 UTC≈ 2:35 PM UTC-8
Depth-0.2 kmshallow crustal
Coordinates39.799°, -122.862°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 39.80°, -122.86°

Earthquake Details

Magnitude
2.0 md
Depth
-0.2 km
shallow crustal
Location
39.7993°N
-122.8617°E

Technical Information

Event ID
nc75233222
Event Type
earthquake
Status
✓ Reviewed
Significance
64
Stations Used
42
Azimuthal Gap
38.0°
Min Station Distance
0.168°
RMS Residual
0.18 sec
Last Updated
2025-09-11 20:07:19 UTC

Nearby Earthquakes (Last 7 Days)

2.6
18 km WSW of Petrolia, CA
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3.0
25 km SSW of Mina, Nevada
1 day ago · 15.2 km deep
2.6
184 km WSW of Port Orford, Oregon
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2.9
19 km SW of Toms Place, CA
1 day ago · 1.5 km deep
2.8
19 km SW of Toms Place, CA
2 days ago · 0.5 km deep
2.5
10 km ESE of Gilroy, CA
3 days ago · 5.1 km deep
3.0
13 km W of Petrolia, CA
3 days ago · 19.6 km deep
3.2
74 km W of Petrolia, CA
3 days ago · 10.7 km deep
2.8
20 km ESE of Silver Springs, Nevada
3 days ago · 8.6 km deep
3.0
7 km NW of The Geysers, CA
3 days ago · 2.5 km deep

Actions

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Understanding This Data

Magnitude 2.0 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: nc75233222). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, September 4, 2025). M2.0 Earthquake 20 km NW of Alder Springs, CA — September 4, 2025. Retrieved September 11, 2025 from https://www.earthquaketracker.org/earthquakes/event/nc75233222/