2.1

M2.1 Earthquake 14 km NNW of Susanville, CA — December 31, 2025

2025-12-31 22:40:27 UTC (2025-12-31) · approx. 2:40 PM UTC-8 local

MagnitudeM2.1(md)
Time22:40 UTC≈ 2:40 PM UTC-8
Depth3.3 kmshallow crustal
Coordinates40.541°, -120.692°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 40.54°, -120.69°

Earthquake Details

Magnitude
2.1 md
Depth
3.3 km
shallow crustal
Location
40.5405°N
-120.6918°E

Technical Information

Event ID
nc75289381
Event Type
earthquake
Status
✓ Reviewed
Significance
67
Stations Used
18
Azimuthal Gap
61.0°
Min Station Distance
0.089°
RMS Residual
0.13 sec
Last Updated
2026-01-12 20:07:19 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: nc75289381). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, December 31, 2025). M2.1 Earthquake 14 km NNW of Susanville, CA — December 31, 2025. Retrieved January 12, 2026 from https://www.earthquaketracker.org/earthquakes/event/nc75289381/