2.4
M2.4 Earthquake 7km NNW of Petrolia, CA — December 20, 2021
2021-12-20 23:11:41 UTC (2021-12-20) · approx. 3:11 PM UTC-8 local
MagnitudeM2.4(md)
Time23:11 UTC≈ 3:11 PM UTC-8
Depth26.3 kmshallow crustal
Coordinates40.383°, -124.301°
Felt byNo felt reports
Status✓ Reviewed by USGS

Earthquake Details
Magnitude
2.4 md
Depth
26.3 km
shallow crustal
Location
40.3830°N
-124.3010°E
-124.3010°E
Community Intensity
1.0
CDI from reports
Technical Information
Event ID
nc73666596
Event Type
earthquake
Status
✓ Reviewed
Significance
86
Stations Used
19
Azimuthal Gap
174.0°
Min Station Distance
0.062°
RMS Residual
0.09 sec
Last Updated
2021-12-29 06:35:11 UTC
Nearby Earthquakes (Last 7 Days)
2.63.53.82.73.32.63.33.02.52.6
21 km E of Alum Rock, CA
6 hours ago · 6.3 km deep
20 km WSW of Petrolia, CA
18 hours ago · 20.1 km deep
20 km WSW of Gerlach, Nevada
1 day ago · 7.0 km deep
3 km ESE of Santa Rosa, CA
1 day ago · 9.1 km deep
17 km WSW of Petrolia, CA
2 days ago · 9.0 km deep
7 km E of Hydesville, CA
2 days ago · 24.2 km deep
19 km WSW of Gerlach, Nevada
2 days ago · 11.0 km deep
9 km SW of Brentwood, CA
2 days ago · 16.9 km deep
9 km SW of Brentwood, CA
3 days ago · 16.8 km deep
18 km SE of Silver Springs, Nevada
3 days ago · 7.4 km deep
Actions
Understanding This Data
Magnitude 2.4 earthquakes are typically only recorded by instruments.
Authoritative source: USGS event page (event ID: nc73666596). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, December 20, 2021). M2.4 Earthquake 7km NNW of Petrolia, CA — December 20, 2021. Retrieved December 29, 2021 from https://www.earthquaketracker.org/earthquakes/event/nc73666596/