2.3

M2.3 Earthquake 21 km E of Willow Creek, CA — January 21, 2026

2026-01-21 18:34:28 UTC (2026-01-21) · approx. 10:34 AM UTC-8 local

MagnitudeM2.3(md)
Time18:34 UTC≈ 10:34 AM UTC-8
Depth27.7 kmshallow crustal
Coordinates40.940°, -123.378°
Felt byNo felt reports
StatusAutomatic (preliminary)
Map showing earthquake epicenter at 40.94°, -123.38°

Earthquake Details

Magnitude
2.3 md
Depth
27.7 km
shallow crustal
Location
40.9402°N
-123.3778°E

Technical Information

Event ID
nc75299456
Event Type
earthquake
Status
Automatic
Significance
78
Stations Used
10
Azimuthal Gap
93.0°
Min Station Distance
0.055°
RMS Residual
0.03 sec
Last Updated
2026-01-21 18:57:20 UTC

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Actions

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Understanding This Data

Magnitude 2.3 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: nc75299456). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, January 21, 2026). M2.3 Earthquake 21 km E of Willow Creek, CA — January 21, 2026. Retrieved January 21, 2026 from https://www.earthquaketracker.org/earthquakes/event/nc75299456/