2.2

M2.2 Earthquake 12km SSW of Ferndale, CA — December 20, 2021

2021-12-20 21:52:03 UTC (2021-12-20) · approx. 1:52 PM UTC-8 local

MagnitudeM2.2(md)
Time21:52 UTC≈ 1:52 PM UTC-8
Depth21.1 kmshallow crustal
Coordinates40.481°, -124.320°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 40.48°, -124.32°

Earthquake Details

Magnitude
2.2 md
Depth
21.1 km
shallow crustal
Location
40.4815°N
-124.3203°E

Technical Information

Event ID
nc73666491
Event Type
earthquake
Status
✓ Reviewed
Significance
74
Stations Used
21
Azimuthal Gap
138.0°
Min Station Distance
0.014°
RMS Residual
0.08 sec
Last Updated
2021-12-28 11:26:11 UTC

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Actions

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Understanding This Data

Magnitude 2.2 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: nc73666491). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, December 20, 2021). M2.2 Earthquake 12km SSW of Ferndale, CA — December 20, 2021. Retrieved December 28, 2021 from https://www.earthquaketracker.org/earthquakes/event/nc73666491/