2.5

M2.5 Earthquake 15 km S of Hamilton City, CA — August 4, 2026

2026-08-04 20:54:10 UTC (2026-08-04) · approx. 12:54 PM UTC-8 local

MagnitudeM2.5(md)
Time20:54 UTC≈ 12:54 PM UTC-8
Depth28.5 kmshallow crustal
Coordinates39.605°, -122.020°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 39.61°, -122.02°

Earthquake Details

Magnitude
2.5 md
Depth
28.5 km
shallow crustal
Location
39.6053°N
-122.0198°E

Technical Information

Event ID
nc75411387
Event Type
earthquake
Status
✓ Reviewed
Significance
99
Stations Used
17
Azimuthal Gap
53.0°
Min Station Distance
0.029°
RMS Residual
0.11 sec
Last Updated
2026-08-20 17:47:15 UTC

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Actions

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Understanding This Data

Magnitude 2.5 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: nc75411387). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, August 4, 2026). M2.5 Earthquake 15 km S of Hamilton City, CA — August 4, 2026. Retrieved August 20, 2026 from https://www.earthquaketracker.org/earthquakes/event/nc75411387/