2.1

M2.1 Earthquake 17 km SW of Ferndale, CA — September 30, 2023

2023-09-30 19:58:21 UTC (2023-09-30) · approx. 11:58 AM UTC-8 local

MagnitudeM2.1(md)
Time19:58 UTC≈ 11:58 AM UTC-8
Depth26.4 kmshallow crustal
Coordinates40.489°, -124.423°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 40.49°, -124.42°

Earthquake Details

Magnitude
2.1 md
Depth
26.4 km
shallow crustal
Location
40.4893°N
-124.4233°E

Technical Information

Event ID
nc73943901
Event Type
earthquake
Status
✓ Reviewed
Significance
70
Stations Used
23
Azimuthal Gap
218.0°
Min Station Distance
0.148°
RMS Residual
0.12 sec
Last Updated
2023-10-04 08:10:14 UTC

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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: nc73943901). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2023, September 30, 2023). M2.1 Earthquake 17 km SW of Ferndale, CA — September 30, 2023. Retrieved October 4, 2023 from https://www.earthquaketracker.org/earthquakes/event/nc73943901/