3.3

M3.3 Earthquake 2 km NE of The Geysers, CAApril 25, 2026

2026-04-25 08:00:13 UTC (2 hours ago) · approx. 12:00 AM UTC-8 local

MagnitudeM3.3(ml)
Time08:00 UTC12:00 AM UTC-8
Depth1.9 kmshallow crustal
Coordinates38.791°, -122.744°
Felt by7DYFI responses
StatusAutomatic (preliminary)

On April 25, 2026 at 08:00 UTC, a magnitude 3.3 shallow crustal earthquake struck 2 km NE of The Geysers, CA, at a depth of 1.9 km and coordinates 38.7912°, -122.7440°.

Physical scale: An earthquake of magnitude 3.3 releases seismic energy equivalent to roughly 1.5 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 122 m — a useful intuition for the size of the slip patch on the fault.

Map showing earthquake epicenter at 38.79°, -122.74°

Did You Feel It? — community-reported shaking

Aggregated felt-report intensity from 7 citizen responses to the USGS Did You Feel It? system. Each colored zone represents the average MMI from reports in that area.

USGS DYFI community-reported intensity map for the M3.3 earthquake near 2 km NE of The Geysers, CA

Source: U.S. Geological Survey Did You Feel It?. View on USGS · submit your own report

Earthquake Details

Magnitude
3.3 ml
Depth
1.9 km
shallow crustal
Location
38.7912°N
-122.7440°E
Felt Reports
7
DYFI responses
Community Intensity
4.7
CDI from reports

Technical Information

Event ID
nc75351157
Event Type
earthquake
Status
Automatic
Significance
175
Stations Used
95
Azimuthal Gap
28.0°
RMS Residual
0.12 sec
Last Updated
2026-04-25 08:32:21 UTC

Common Questions

How strong was the magnitude 3.3 earthquake near The Geysers, CA?

The magnitude 3.3 earthquake that struck 2 km NE of The Geysers, CA on April 25, 2026 at 08:00 UTC had a depth of 1.9 km. For context, this was a minor earthquake typically detected only by instruments.

Were there aftershocks?

Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 3.3 earthquakes can continue for several days and gradually diminish over time.

What should I do after an earthquake?

If you were in the affected area: check yourself and others for injuries, inspect your home for damage, and be prepared for aftershocks. For detailed guidance, see our earthquake safety guide and emergency planning resources.

Authoritative source: USGS event page (event ID: nc75351157). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, April 25, 2026). M3.3 Earthquake 2 km NE of The Geysers, CAApril 25, 2026. Retrieved April 25, 2026 from https://www.earthquaketracker.org/earthquakes/event/nc75351157/