2.3

M2.3 Earthquake 11km SSW of Ferndale, CA — December 20, 2021

2021-12-20 23:21:36 UTC (2021-12-20) · approx. 3:21 PM UTC-8 local

MagnitudeM2.3(md)
Time23:21 UTC≈ 3:21 PM UTC-8
Depth18.8 kmshallow crustal
Coordinates40.481°, -124.310°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 40.48°, -124.31°

Earthquake Details

Magnitude
2.3 md
Depth
18.8 km
shallow crustal
Location
40.4807°N
-124.3097°E

Technical Information

Event ID
nc73666616
Event Type
earthquake
Status
✓ Reviewed
Significance
81
Stations Used
25
Azimuthal Gap
125.0°
Min Station Distance
0.022°
RMS Residual
0.08 sec
Last Updated
2021-12-29 07:51:11 UTC

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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: nc73666616). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, December 20, 2021). M2.3 Earthquake 11km SSW of Ferndale, CA — December 20, 2021. Retrieved December 29, 2021 from https://www.earthquaketracker.org/earthquakes/event/nc73666616/