M3.1 Earthquake 48 km E of Fort Bidwell, California — March 11, 2025
2025-03-11 17:09:14 UTC (2025-03-11) · approx. 9:09 AM UTC-8 local
On March 11, 2025 at 17:09 UTC, a magnitude 3.1 shallow crustal earthquake struck 48 km E of Fort Bidwell, California, at a depth of 4.5 km and coordinates 41.8902°, -119.5642°.
Physical scale: An earthquake of magnitude 3.1 releases seismic energy equivalent to roughly 674 kg of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 83 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-119.5642°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 3.1 earthquake near Fort Bidwell, California?
The magnitude 3.1 earthquake that struck 48 km E of Fort Bidwell, California on March 11, 2025 at 17:09 UTC had a depth of 4.5 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 3.1 earthquakes can continue for several days and gradually diminish over time.
Actions
Understanding This Data
Magnitude 3.1 earthquakes are typically only recorded by instruments.
Authoritative source: USGS event page (event ID: nn00894582). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, March 11, 2025). M3.1 Earthquake 48 km E of Fort Bidwell, California — March 11, 2025. Retrieved May 16, 2025 from https://www.earthquaketracker.org/earthquakes/event/nn00894582/