2.3

M2.3 Earthquake 40 km W of Petrolia, CA — July 17, 2026

2026-07-17 06:38:27 UTC (2026-07-17) · approx. 10:38 PM UTC-8 local

MagnitudeM2.3(md)
Time06:38 UTC≈ 10:38 PM UTC-8
Depth4.8 kmshallow crustal
Coordinates40.300°, -124.753°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 40.30°, -124.75°

Earthquake Details

Magnitude
2.3 md
Depth
4.8 km
shallow crustal
Location
40.2995°N
-124.7528°E

Technical Information

Event ID
nc75397501
Event Type
earthquake
Status
✓ Reviewed
Significance
84
Stations Used
29
Azimuthal Gap
280.0°
Min Station Distance
0.314°
RMS Residual
0.17 sec
Last Updated
2026-07-28 10:22:23 UTC

Nearby Earthquakes (Last 7 Days)

4.2
8 km ESE of Cloverdale, CA
1 day ago · 5.9 km deep
2.5
32 km WNW of Petrolia, CA
1 day ago · 18.0 km deep
3.0
17 km SE of Silver Springs, Nevada
2 days ago · 4.5 km deep
3.4
18 km SE of Silver Springs, Nevada
2 days ago · 12.0 km deep
2.7
3 km ENE of The Geysers, CA
2 days ago · 1.2 km deep
2.8
3 km ENE of The Geysers, CA
2 days ago · 1.3 km deep
3.0
12 km ESE of Gilroy, CA
2 days ago · 5.2 km deep
2.5
3 km NW of The Geysers, CA
2 days ago · 3.5 km deep
3.1
209 km W of Ferndale, California
6 days ago · 10.0 km deep
4.2
150 km WNW of Port Orford, Oregon
6 days ago · 10.0 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: nc75397501). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, July 17, 2026). M2.3 Earthquake 40 km W of Petrolia, CA — July 17, 2026. Retrieved July 28, 2026 from https://www.earthquaketracker.org/earthquakes/event/nc75397501/