2.1

M2.1 Earthquake 21 km NW of Alder Springs, CA — January 16, 2025

2025-01-16 15:37:50 UTC (2025-01-16) · approx. 7:37 AM UTC-8 local

MagnitudeM2.1(md)
Time15:37 UTC≈ 7:37 AM UTC-8
Depth-1.2 kmshallow crustal
Coordinates39.758°, -122.928°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 39.76°, -122.93°

Earthquake Details

Magnitude
2.1 md
Depth
-1.2 km
shallow crustal
Location
39.7575°N
-122.9278°E

Technical Information

Event ID
nc75118051
Event Type
earthquake
Status
✓ Reviewed
Significance
66
Stations Used
31
Azimuthal Gap
35.0°
Min Station Distance
0.104°
RMS Residual
0.12 sec
Last Updated
2025-01-23 23:00:27 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: nc75118051). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, January 16, 2025). M2.1 Earthquake 21 km NW of Alder Springs, CA — January 16, 2025. Retrieved January 23, 2025 from https://www.earthquaketracker.org/earthquakes/event/nc75118051/