2.1

M2.1 Earthquake 1 km NNE of Almanor, CA — July 23, 2023

2023-07-23 19:32:10 UTC (2023-07-23) · approx. 11:32 AM UTC-8 local

MagnitudeM2.1(md)
Time19:32 UTC≈ 11:32 AM UTC-8
Depth4.0 kmshallow crustal
Coordinates40.227°, -121.169°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 40.23°, -121.17°

Earthquake Details

Magnitude
2.1 md
Depth
4.0 km
shallow crustal
Location
40.2272°N
-121.1693°E

Technical Information

Event ID
nc73915836
Event Type
earthquake
Status
✓ Reviewed
Significance
67
Stations Used
28
Azimuthal Gap
50.0°
Min Station Distance
0.028°
RMS Residual
0.15 sec
Last Updated
2023-07-24 21:08:11 UTC

Nearby Earthquakes (Last 7 Days)

2.6
1 km ENE of Aromas, CA
1 day ago · -0.1 km deep
2.7
1 km N of Lake Davis, CA
3 days ago · -1.4 km deep
2.6
1 km NNW of The Geysers, CA
5 days ago · 0.4 km deep
2.5
23 km SE of Pinnacles, CA
5 days ago · 9.4 km deep

Actions

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Understanding This Data

Magnitude 2.1 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: nc73915836). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2023, July 23, 2023). M2.1 Earthquake 1 km NNE of Almanor, CA — July 23, 2023. Retrieved July 24, 2023 from https://www.earthquaketracker.org/earthquakes/event/nc73915836/