2.1

M2.1 Earthquake 9 km WNW of The Geysers, CA — September 20, 2026

2026-09-20 17:03:33 UTC (18 hours ago) · approx. 9:03 AM UTC-8 local

MagnitudeM2.1(md)
Time17:03 UTC≈ 9:03 AM UTC-8
Depth1.7 kmshallow crustal
Coordinates38.820°, -122.851°
Felt byNo felt reports
StatusAutomatic (preliminary)
Map showing earthquake epicenter at 38.82°, -122.85°

Earthquake Details

Magnitude
2.1 md
Depth
1.7 km
shallow crustal
Location
38.8198°N
-122.8510°E

Technical Information

Event ID
nc75438982
Event Type
earthquake
Status
Automatic
Significance
70
Stations Used
55
Azimuthal Gap
31.0°
Min Station Distance
0.009°
RMS Residual
0.10 sec
Last Updated
2026-09-20 17:47:26 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: nc75438982). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, September 20, 2026). M2.1 Earthquake 9 km WNW of The Geysers, CA — September 20, 2026. Retrieved September 20, 2026 from https://www.earthquaketracker.org/earthquakes/event/nc75438982/