2.7

M2.7 Earthquake 56 km W of Petrolia, CA — August 28, 2026

2026-08-28 21:18:08 UTC (2026-08-28) · approx. 1:18 PM UTC-8 local

MagnitudeM2.7(md)
Time21:18 UTC≈ 1:18 PM UTC-8
Depth19.7 kmshallow crustal
Coordinates40.346°, -124.941°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 40.35°, -124.94°

Earthquake Details

Magnitude
2.7 md
Depth
19.7 km
shallow crustal
Location
40.3455°N
-124.9405°E

Technical Information

Event ID
nc75426507
Event Type
earthquake
Status
✓ Reviewed
Significance
114
Stations Used
41
Azimuthal Gap
252.0°
Min Station Distance
0.461°
RMS Residual
0.28 sec
Last Updated
2026-09-20 22:36:16 UTC

Nearby Earthquakes (Last 7 Days)

3.4
70 km W of Ferndale, CA
10 hours ago · 10.4 km deep
3.1
23 km WSW of Gustine, CA
1 day ago · -0.7 km deep
3.3
14 km SE of Petrolia, CA
1 day ago · 11.0 km deep
3.1
39 km SSW of Likely, CA
1 day ago · 6.2 km deep
2.5
2 km NW of The Geysers, CA
2 days ago · 0.5 km deep
3.1
80 km WNW of Ferndale, CA
3 days ago · 4.6 km deep
2.5
5 km WSW of Burning Man Earth, Nevada
4 days ago · 1.5 km deep
2.6
18 km WSW of Petrolia, CA
5 days ago · 7.3 km deep
2.6
184 km WSW of Port Orford, Oregon
6 days ago · 10.0 km deep

Actions

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Understanding This Data

Magnitude 2.7 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: nc75426507). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, August 28, 2026). M2.7 Earthquake 56 km W of Petrolia, CA — August 28, 2026. Retrieved September 20, 2026 from https://www.earthquaketracker.org/earthquakes/event/nc75426507/