2.3

M2.3 Earthquake 6km SSW of Antioch, CA — April 23, 2023

2023-04-23 19:30:17 UTC (2023-04-23) · approx. 11:30 AM UTC-8 local

MagnitudeM2.3(md)
Time19:30 UTC≈ 11:30 AM UTC-8
Depth20.8 kmshallow crustal
Coordinates37.953°, -121.841°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 37.95°, -121.84°

Earthquake Details

Magnitude
2.3 md
Depth
20.8 km
shallow crustal
Location
37.9532°N
-121.8407°E

Technical Information

Event ID
nc73877035
Event Type
earthquake
Status
✓ Reviewed
Significance
84
Stations Used
91
Azimuthal Gap
65.0°
Min Station Distance
0.067°
RMS Residual
0.28 sec
Last Updated
2023-04-25 00:14:11 UTC

Nearby Earthquakes (Last 7 Days)

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2.9
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2.6
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2.7
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2.7
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2.7
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2.6
143 km W of Ferndale, California
5 days ago · 15.5 km deep
2.5
13 km W of Round Valley, CA
6 days ago · 11.8 km deep
2.7
17 km SSE of Shandon, CA
6 days ago · 31.1 km deep

Actions

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Understanding This Data

Magnitude 2.3 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: nc73877035). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2023, April 23, 2023). M2.3 Earthquake 6km SSW of Antioch, CA — April 23, 2023. Retrieved April 25, 2023 from https://www.earthquaketracker.org/earthquakes/event/nc73877035/