2.8

M2.8 Earthquake 60 km W of Petrolia, CA — March 21, 2026

2026-03-21 23:05:39 UTC (2026-03-21) · approx. 3:05 PM UTC-8 local

MagnitudeM2.8(md)
Time23:05 UTC≈ 3:05 PM UTC-8
Depth13.8 kmshallow crustal
Coordinates40.377°, -124.989°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 40.38°, -124.99°

Earthquake Details

Magnitude
2.8 md
Depth
13.8 km
shallow crustal
Location
40.3773°N
-124.9887°E

Technical Information

Event ID
nc75331217
Event Type
earthquake
Status
✓ Reviewed
Significance
116
Stations Used
65
Azimuthal Gap
246.0°
Min Station Distance
0.502°
RMS Residual
0.34 sec
Last Updated
2026-06-04 18:37:57 UTC

Nearby Earthquakes (Last 7 Days)

2.6
18 km WSW of Petrolia, CA
19 hours ago · 7.3 km deep
2.6
184 km WSW of Port Orford, Oregon
1 day ago · 10.0 km deep
2.5
10 km ESE of Gilroy, CA
2 days ago · 5.1 km deep
3.0
13 km W of Petrolia, CA
2 days ago · 19.6 km deep
3.2
74 km W of Petrolia, CA
3 days ago · 10.7 km deep
3.0
7 km NW of The Geysers, CA
3 days ago · 2.5 km deep
3.0
23 km NE of Hydesville, CA
4 days ago · 4.4 km deep
2.7
19 km WSW of Petrolia, CA
5 days ago · 9.4 km deep
2.8
237 km W of Ferndale, California
5 days ago · 10.0 km deep
3.4
29 km W of Petrolia, CA
6 days ago · 0.7 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: nc75331217). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, March 21, 2026). M2.8 Earthquake 60 km W of Petrolia, CA — March 21, 2026. Retrieved June 4, 2026 from https://www.earthquaketracker.org/earthquakes/event/nc75331217/