2.7

M2.7 Earthquake 31km W of Petrolia, CA — December 28, 2021

2021-12-28 23:16:29 UTC (2021-12-28) · approx. 3:16 PM UTC-8 local

MagnitudeM2.7(md)
Time23:16 UTC≈ 3:16 PM UTC-8
Depth19.8 kmshallow crustal
Coordinates40.292°, -124.650°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 40.29°, -124.65°

Earthquake Details

Magnitude
2.7 md
Depth
19.8 km
shallow crustal
Location
40.2925°N
-124.6495°E

Technical Information

Event ID
nc73668991
Event Type
earthquake
Status
✓ Reviewed
Significance
114
Stations Used
40
Azimuthal Gap
236.0°
Min Station Distance
0.235°
RMS Residual
0.22 sec
Last Updated
2022-03-05 23:10:49 UTC

Nearby Earthquakes (Last 7 Days)

3.5
20 km WSW of Petrolia, CA
11 hours ago · 20.1 km deep
3.8
20 km WSW of Gerlach, Nevada
18 hours ago · 7.0 km deep
2.7
3 km ESE of Santa Rosa, CA
23 hours ago · 9.1 km deep
3.3
17 km WSW of Petrolia, CA
1 day ago · 9.0 km deep
2.6
7 km E of Hydesville, CA
1 day ago · 24.2 km deep
3.3
19 km WSW of Gerlach, Nevada
2 days ago · 11.0 km deep
3.0
9 km SW of Brentwood, CA
2 days ago · 16.9 km deep
2.5
9 km SW of Brentwood, CA
3 days ago · 16.8 km deep
2.6
18 km SE of Silver Springs, Nevada
3 days ago · 7.4 km deep
2.5
6 km E of Willits, CA
3 days ago · 5.2 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: nc73668991). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, December 28, 2021). M2.7 Earthquake 31km W of Petrolia, CA — December 28, 2021. Retrieved March 5, 2022 from https://www.earthquaketracker.org/earthquakes/event/nc73668991/