2.8

M2.8 Earthquake 54 km W of Petrolia, CA — August 5, 2026

2026-08-05 16:05:39 UTC (2 hours ago) · approx. 8:05 AM UTC-8 local

MagnitudeM2.8(md)
Time16:05 UTC≈ 8:05 AM UTC-8
Depth1.7 kmshallow crustal
Coordinates40.396°, -124.920°
Felt byNo felt reports
StatusAutomatic (preliminary)
Map showing earthquake epicenter at 40.40°, -124.92°

Earthquake Details

Magnitude
2.8 md
Depth
1.7 km
shallow crustal
Location
40.3965°N
-124.9200°E

Technical Information

Event ID
nc75411812
Event Type
earthquake
Status
Automatic
Significance
121
Stations Used
13
Azimuthal Gap
284.0°
Min Station Distance
0.454°
RMS Residual
0.13 sec
Last Updated
2026-08-05 16:27:20 UTC

Nearby Earthquakes (Last 7 Days)

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2.6
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2.6
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2.6
12 km SE of Middletown, CA
1 day ago · 5.4 km deep
4.0
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1 day ago · 10.0 km deep
2.6
43 km W of Petrolia, CA
2 days ago · 14.9 km deep
2.7
7 km WSW of Petrolia, CA
2 days ago · 16.7 km deep
2.7
8 km ESE of Cloverdale, CA
4 days ago · 4.1 km deep
2.8
7 km ESE of Cloverdale, CA
4 days ago · 6.3 km deep
3.7
7 km ESE of Cloverdale, CA
4 days ago · 6.7 km deep

Actions

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Understanding This Data

Magnitude 2.8 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: nc75411812). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, August 5, 2026). M2.8 Earthquake 54 km W of Petrolia, CA — August 5, 2026. Retrieved August 5, 2026 from https://www.earthquaketracker.org/earthquakes/event/nc75411812/