2.4

M2.4 Earthquake 1 km NE of Valley Ranch, CA — September 21, 2023

2023-09-21 19:57:42 UTC (2023-09-21) · approx. 11:57 AM UTC-8 local

MagnitudeM2.4(md)
Time19:57 UTC≈ 11:57 AM UTC-8
Depth3.4 kmshallow crustal
Coordinates39.743°, -120.563°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 39.74°, -120.56°

Earthquake Details

Magnitude
2.4 md
Depth
3.4 km
shallow crustal
Location
39.7427°N
-120.5628°E

Technical Information

Event ID
nc73939981
Event Type
earthquake
Status
✓ Reviewed
Significance
89
Stations Used
16
Azimuthal Gap
81.0°
Min Station Distance
0.101°
RMS Residual
0.11 sec
Last Updated
2023-09-22 09:51:14 UTC

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Actions

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Understanding This Data

Magnitude 2.4 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: nc73939981). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2023, September 21, 2023). M2.4 Earthquake 1 km NE of Valley Ranch, CA — September 21, 2023. Retrieved September 22, 2023 from https://www.earthquaketracker.org/earthquakes/event/nc73939981/