2.2

M2.2 Earthquake 26 km WSW of Petrolia, CA — July 17, 2026

2026-07-17 12:39:30 UTC (2026-07-17) · approx. 4:39 AM UTC-8 local

MagnitudeM2.2(md)
Time12:39 UTC≈ 4:39 AM UTC-8
Depth21.5 kmshallow crustal
Coordinates40.260°, -124.577°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 40.26°, -124.58°

Earthquake Details

Magnitude
2.2 md
Depth
21.5 km
shallow crustal
Location
40.2602°N
-124.5768°E

Technical Information

Event ID
nc75397636
Event Type
earthquake
Status
✓ Reviewed
Significance
72
Stations Used
8
Azimuthal Gap
321.0°
Min Station Distance
0.181°
RMS Residual
0.13 sec
Last Updated
2026-07-28 23:37:20 UTC

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2.8
54 km W of Petrolia, CA
1 day ago · 1.7 km deep
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Actions

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Understanding This Data

Magnitude 2.2 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: nc75397636). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, July 17, 2026). M2.2 Earthquake 26 km WSW of Petrolia, CA — July 17, 2026. Retrieved July 28, 2026 from https://www.earthquaketracker.org/earthquakes/event/nc75397636/