2.8

M2.8 Earthquake 26km W of Petrolia, CA — December 7, 2021

2021-12-07 21:06:41 UTC (2021-12-07) · approx. 1:06 PM UTC-8 local

MagnitudeM2.8(md)
Time21:06 UTC≈ 1:06 PM UTC-8
Depth12.4 kmshallow crustal
Coordinates40.285°, -124.589°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 40.29°, -124.59°

Earthquake Details

Magnitude
2.8 md
Depth
12.4 km
shallow crustal
Location
40.2852°N
-124.5888°E

Technical Information

Event ID
nc73661031
Event Type
earthquake
Status
✓ Reviewed
Significance
123
Stations Used
31
Azimuthal Gap
237.0°
Min Station Distance
0.188°
RMS Residual
0.19 sec
Last Updated
2022-02-12 23:06:27 UTC

Nearby Earthquakes (Last 7 Days)

2.6
2 km ENE of Aromas, CA
3 hours ago · 0.6 km deep
2.6
21 km E of Alum Rock, CA
18 hours ago · 6.3 km deep
3.5
20 km WSW of Petrolia, CA
1 day ago · 20.1 km deep
3.8
20 km WSW of Gerlach, Nevada
1 day ago · 7.0 km deep
2.7
3 km ESE of Santa Rosa, CA
1 day ago · 9.1 km deep
3.3
17 km WSW of Petrolia, CA
2 days ago · 9.0 km deep
2.6
7 km E of Hydesville, CA
2 days ago · 24.2 km deep
3.3
19 km WSW of Gerlach, Nevada
3 days ago · 11.0 km deep
3.0
9 km SW of Brentwood, CA
3 days ago · 16.9 km deep
2.5
9 km SW of Brentwood, CA
3 days ago · 16.8 km deep

Actions

View on USGSDid You Feel It?

Understanding This Data

Magnitude 2.8 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: nc73661031). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, December 7, 2021). M2.8 Earthquake 26km W of Petrolia, CA — December 7, 2021. Retrieved February 12, 2022 from https://www.earthquaketracker.org/earthquakes/event/nc73661031/