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
2026-04-30 03:12:13 UTC

Nearby Earthquakes (Last 7 Days)

4.1
281 km WNW of Bandon, Oregon
9 hours ago · 10.0 km deep
3.0
2 km NNE of Middletown, CA
1 day ago · 4.0 km deep
3.0
42 km W of Petrolia, CA
1 day ago · 18.0 km deep
2.7
22 km SSE of Redway, CA
2 days ago · 3.4 km deep
3.2
22 km SSE of Redway, CA
2 days ago · 1.7 km deep
2.9
22 km SSE of Redway, CA
2 days ago · 3.0 km deep
2.6
22 km SSE of Redway, CA
2 days ago · 3.1 km deep
2.7
22 km SSE of Redway, CA
2 days ago · 3.1 km deep
2.6
53 km W of Petrolia, CA
2 days ago · 8.6 km deep
2.7
2 km ESE of Pinole, CA
2 days ago · 5.8 km deep

Actions

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Understanding This Data

Magnitude 2.8 earthquakes are typically only recorded by instruments.

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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 May 13, 2026 from https://www.earthquaketracker.org/earthquakes/event/nc75331217/