2.4

M2.4 Earthquake 42 km W of Petrolia, CA — August 3, 2026

2026-08-03 13:07:21 UTC (2026-08-03) · approx. 5:07 AM UTC-8 local

MagnitudeM2.4(md)
Time13:07 UTC≈ 5:07 AM UTC-8
Depth16.9 kmshallow crustal
Coordinates40.328°, -124.784°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 40.33°, -124.78°

Earthquake Details

Magnitude
2.4 md
Depth
16.9 km
shallow crustal
Location
40.3282°N
-124.7843°E

Technical Information

Event ID
nc75410622
Event Type
earthquake
Status
✓ Reviewed
Significance
85
Stations Used
41
Azimuthal Gap
253.0°
Min Station Distance
0.340°
RMS Residual
0.25 sec
Last Updated
2026-08-15 00:17:26 UTC

Nearby Earthquakes (Last 7 Days)

2.7
22 km SSW of Manton, CA
7 hours ago · 16.4 km deep
2.5
10 km ENE of Milpitas, CA
16 hours ago · 2.7 km deep
2.6
17 km W of Petrolia, CA
1 day ago · 8.6 km deep
2.6
2 km ENE of Aromas, CA
2 days ago · 0.6 km deep
2.6
21 km E of Alum Rock, CA
3 days ago · 6.3 km deep
3.5
20 km WSW of Petrolia, CA
3 days ago · 20.1 km deep
3.8
20 km WSW of Gerlach, Nevada
3 days ago · 7.0 km deep
2.7
3 km ESE of Santa Rosa, CA
4 days ago · 9.1 km deep
3.3
17 km WSW of Petrolia, CA
4 days ago · 9.0 km deep
2.6
7 km E of Hydesville, CA
4 days ago · 24.2 km deep

Actions

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Understanding This Data

Magnitude 2.4 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: nc75410622). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, August 3, 2026). M2.4 Earthquake 42 km W of Petrolia, CA — August 3, 2026. Retrieved August 15, 2026 from https://www.earthquaketracker.org/earthquakes/event/nc75410622/