2.1

M2.1 Earthquake 9km N of Petrolia, CA — March 28, 2021

2021-03-28 18:51:35 UTC (2021-03-28) · approx. 10:51 AM UTC-8 local

MagnitudeM2.1(md)
Time18:51 UTC≈ 10:51 AM UTC-8
Depth27.2 kmshallow crustal
Coordinates40.404°, -124.285°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 40.40°, -124.28°

Earthquake Details

Magnitude
2.1 md
Depth
27.2 km
shallow crustal
Location
40.4043°N
-124.2848°E

Technical Information

Event ID
nc73541071
Event Type
earthquake
Status
✓ Reviewed
Significance
71
Stations Used
20
Azimuthal Gap
130.0°
Min Station Distance
0.082°
RMS Residual
0.11 sec
Last Updated
2021-03-30 06:31:05 UTC

Nearby Earthquakes (Last 7 Days)

2.6
6 km W of Yountville, CA
10 hours ago · 8.3 km deep
4.8
97 km W of Petrolia, CA
15 hours ago · 10.0 km deep
3.2
275 km W of Indianola, California
1 day ago · 10.0 km deep
2.7
199 km W of Gold Beach, Oregon
1 day ago · 10.0 km deep
2.6
9 km NW of Redwood Valley, CA
2 days ago · -0.4 km deep
2.6
26 km WSW of Westley, CA
2 days ago · 2.7 km deep
3.3
27 km WSW of Westley, CA
2 days ago · 3.4 km deep
2.7
10 km W of Boonville, CA
3 days ago · 3.5 km deep
3.7
10 km W of Boonville, CA
3 days ago · 4.8 km deep
2.6
2 km NW of Hollister, CA
6 days ago · 6.1 km deep

Actions

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Understanding This Data

Magnitude 2.1 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: nc73541071). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, March 28, 2021). M2.1 Earthquake 9km N of Petrolia, CA — March 28, 2021. Retrieved March 30, 2021 from https://www.earthquaketracker.org/earthquakes/event/nc73541071/