2.4

M2.4 Earthquake 9km W of Petrolia, CA — August 4, 2021

2021-08-04 21:11:39 UTC (2021-08-04) · approx. 1:11 PM UTC-8 local

MagnitudeM2.4(md)
Time21:11 UTC≈ 1:11 PM UTC-8
Depth29.3 kmshallow crustal
Coordinates40.313°, -124.387°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 40.31°, -124.39°

Earthquake Details

Magnitude
2.4 md
Depth
29.3 km
shallow crustal
Location
40.3130°N
-124.3870°E

Technical Information

Event ID
nc73605836
Event Type
earthquake
Status
✓ Reviewed
Significance
89
Stations Used
15
Azimuthal Gap
248.0°
Min Station Distance
0.042°
RMS Residual
0.15 sec
Last Updated
2021-08-12 21:22:12 UTC

Understanding This Data

Magnitude 2.4 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: nc73605836). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, August 4, 2021). M2.4 Earthquake 9km W of Petrolia, CA — August 4, 2021. Retrieved August 12, 2021 from https://www.earthquaketracker.org/earthquakes/event/nc73605836/