2.5

M2.5 Earthquake 12km SW of Rio Dell, CA — December 20, 2021

2021-12-20 23:02:26 UTC (2021-12-20) · approx. 3:02 PM UTC-8 local

MagnitudeM2.5(md)
Time23:02 UTC≈ 3:02 PM UTC-8
Depth27.7 kmshallow crustal
Coordinates40.431°, -124.218°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 40.43°, -124.22°

Earthquake Details

Magnitude
2.5 md
Depth
27.7 km
shallow crustal
Location
40.4310°N
-124.2183°E

Technical Information

Event ID
nc73666591
Event Type
earthquake
Status
✓ Reviewed
Significance
100
Stations Used
26
Azimuthal Gap
83.0°
Min Station Distance
0.076°
RMS Residual
0.11 sec
Last Updated
2022-03-01 16:38:36 UTC

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Actions

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Understanding This Data

Magnitude 2.5 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: nc73666591). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, December 20, 2021). M2.5 Earthquake 12km SW of Rio Dell, CA — December 20, 2021. Retrieved March 1, 2022 from https://www.earthquaketracker.org/earthquakes/event/nc73666591/