2.5

M2.5 Earthquake 32 km WNW of Petrolia, CA — July 28, 2026

2026-07-28 09:35:08 UTC (1 hour ago) · approx. 1:35 AM UTC-8 local

MagnitudeM2.5(md)
Time09:35 UTC≈ 1:35 AM UTC-8
Depth18.0 kmshallow crustal
Coordinates40.458°, -124.621°
Felt byNo felt reports
StatusAutomatic (preliminary)
Map showing earthquake epicenter at 40.46°, -124.62°

Earthquake Details

Magnitude
2.5 md
Depth
18.0 km
shallow crustal
Location
40.4575°N
-124.6212°E

Technical Information

Event ID
nc75407192
Event Type
earthquake
Status
Automatic
Significance
96
Stations Used
23
Azimuthal Gap
277.0°
Min Station Distance
0.217°
RMS Residual
0.17 sec
Last Updated
2026-07-28 10:07:21 UTC

Nearby Earthquakes (Last 7 Days)

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3.1
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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: nc75407192). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, July 28, 2026). M2.5 Earthquake 32 km WNW of Petrolia, CA — July 28, 2026. Retrieved July 28, 2026 from https://www.earthquaketracker.org/earthquakes/event/nc75407192/