2.5
M2.5 Earthquake 19km W of Petrolia, CA — October 30, 2021
2021-10-30 23:24:16 UTC (2021-10-30) · approx. 3:24 PM UTC-8 local
MagnitudeM2.5(md)
Time23:24 UTC≈ 3:24 PM UTC-8
Depth19.4 kmshallow crustal
Coordinates40.351°, -124.507°
Felt byNo felt reports
Status✓ Reviewed by USGS

Earthquake Details
Magnitude
2.5 md
Depth
19.4 km
shallow crustal
Location
40.3513°N
-124.5072°E
-124.5072°E
Technical Information
Event ID
nc73646755
Event Type
earthquake
Status
✓ Reviewed
Significance
93
Stations Used
23
Azimuthal Gap
266.0°
Min Station Distance
0.141°
RMS Residual
0.14 sec
Last Updated
2022-01-14 17:59:07 UTC
Nearby Earthquakes (Last 7 Days)
2.62.62.63.53.82.73.32.63.33.0
17 km W of Petrolia, CA
1 day ago · 8.6 km deep
2 km ENE of Aromas, CA
1 day ago · 0.6 km deep
21 km E of Alum Rock, CA
2 days ago · 6.3 km deep
20 km WSW of Petrolia, CA
2 days ago · 20.1 km deep
20 km WSW of Gerlach, Nevada
3 days ago · 7.0 km deep
3 km ESE of Santa Rosa, CA
3 days ago · 9.1 km deep
17 km WSW of Petrolia, CA
4 days ago · 9.0 km deep
7 km E of Hydesville, CA
4 days ago · 24.2 km deep
19 km WSW of Gerlach, Nevada
4 days ago · 11.0 km deep
9 km SW of Brentwood, CA
4 days ago · 16.9 km deep
Actions
Understanding This Data
Magnitude 2.5 earthquakes are typically only recorded by instruments.
Authoritative source: USGS event page (event ID: nc73646755). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, October 30, 2021). M2.5 Earthquake 19km W of Petrolia, CA — October 30, 2021. Retrieved January 14, 2022 from https://www.earthquaketracker.org/earthquakes/event/nc73646755/