2.3

M2.3 Earthquake 55 km W of Ferndale, CA — August 4, 2026

2026-08-04 20:44:43 UTC (2026-08-04) · approx. 12:44 PM UTC-8 local

MagnitudeM2.3(md)
Time20:44 UTC≈ 12:44 PM UTC-8
Depth13.1 kmshallow crustal
Coordinates40.586°, -124.918°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 40.59°, -124.92°

Earthquake Details

Magnitude
2.3 md
Depth
13.1 km
shallow crustal
Location
40.5857°N
-124.9183°E

Technical Information

Event ID
nc75411377
Event Type
earthquake
Status
✓ Reviewed
Significance
79
Stations Used
37
Azimuthal Gap
277.0°
Min Station Distance
0.506°
RMS Residual
0.20 sec
Last Updated
2026-08-16 02:47:26 UTC

Nearby Earthquakes (Last 7 Days)

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3.0
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2.5
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2.6
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3.5
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3.8
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2.7
3 km ESE of Santa Rosa, CA
5 days ago · 9.1 km deep
3.3
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6 days ago · 9.0 km deep

Actions

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Understanding This Data

Magnitude 2.3 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: nc75411377). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, August 4, 2026). M2.3 Earthquake 55 km W of Ferndale, CA — August 4, 2026. Retrieved August 16, 2026 from https://www.earthquaketracker.org/earthquakes/event/nc75411377/