2.2

M2.2 Earthquake 8 km NW of The Geysers, CA — December 17, 2025

2025-12-17 21:59:09 UTC (2025-12-17) · approx. 1:59 PM UTC-8 local

MagnitudeM2.2(md)
Time21:59 UTC≈ 1:59 PM UTC-8
Depth1.8 kmshallow crustal
Coordinates38.829°, -122.817°
Felt byNo felt reports
StatusAutomatic (preliminary)
Map showing earthquake epicenter at 38.83°, -122.82°

Earthquake Details

Magnitude
2.2 md
Depth
1.8 km
shallow crustal
Location
38.8292°N
-122.8168°E

Technical Information

Event ID
nc75281651
Event Type
earthquake
Status
Automatic
Significance
72
Stations Used
37
Azimuthal Gap
46.0°
Min Station Distance
0.008°
RMS Residual
0.04 sec
Last Updated
2025-12-17 22:02:33 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: nc75281651). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, December 17, 2025). M2.2 Earthquake 8 km NW of The Geysers, CA — December 17, 2025. Retrieved December 17, 2025 from https://www.earthquaketracker.org/earthquakes/event/nc75281651/