2.2

M2.2 Earthquake 11 km WSW of Manton, CASeptember 13, 2025

2025-09-13 19:12:14 UTC (2025-09-13) · approx. 11:12 AM UTC-8 local

MagnitudeM2.2(md)
Time19:12 UTC11:12 AM UTC-8
Depth10.4 kmshallow crustal
Coordinates40.379°, -121.986°
Felt by1DYFI response
Status✓ Reviewed by USGS

On September 13, 2025 at 19:12 UTC, a magnitude 2.2 shallow crustal earthquake struck 11 km WSW of Manton, CA, at a depth of 10.4 km and coordinates 40.3792°, -121.9862°.

Physical scale: An earthquake of magnitude 2.2 releases seismic energy equivalent to roughly 30.1 kg of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 20 m — a useful intuition for the size of the slip patch on the fault.

Map showing earthquake epicenter at 40.38°, -121.99°

Did You Feel It? — community-reported shaking

Aggregated felt-report intensity from 1 citizen response 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 M2.2 earthquake near 11 km WSW of Manton, CA

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

Earthquake Details

Magnitude
2.2 md
Depth
10.4 km
shallow crustal
Location
40.3792°N
-121.9862°E
Felt Reports
1
DYFI responses
Community Intensity
2.0
CDI from reports

Technical Information

Event ID
nc75237482
Event Type
earthquake
Status
✓ Reviewed
Significance
75
Stations Used
31
Azimuthal Gap
64.0°
Min Station Distance
0.161°
RMS Residual
0.19 sec
Last Updated
2025-09-24 19:07:20 UTC

Common Questions

How strong was the magnitude 2.2 earthquake near Manton, CA?

The magnitude 2.2 earthquake that struck 11 km WSW of Manton, CA on September 13, 2025 at 19:12 UTC had a depth of 10.4 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 2.2 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: nc75237482). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, September 13, 2025). M2.2 Earthquake 11 km WSW of Manton, CASeptember 13, 2025. Retrieved May 28, 2026 from https://www.earthquaketracker.org/earthquakes/event/nc75237482/