M3.2 Earthquake 13 km NNE of Clay Springs, Arizona — March 18, 2025
2025-03-18 19:42:28 UTC (2025-03-18) · approx. 12:42 PM UTC-7 local
Felt by 19 people across nearby locations.
On March 18, 2025 at 19:42 UTC, a magnitude 3.2 shallow crustal earthquake struck 13 km NNE of Clay Springs, Arizona, at a depth of 5.0 km and coordinates 34.4770°, -110.2511°. This earthquake was detected by 13 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 163, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 3.2 releases seismic energy equivalent to roughly 951 kg of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 97 m — a useful intuition for the size of the slip patch on the fault.
Did You Feel It? — community-reported shaking
Aggregated felt-report intensity from 19 citizen responses to the USGS Did You Feel It? system. Each colored zone represents the average MMI from reports in that area.
Source: U.S. Geological Survey Did You Feel It?. View on USGS · submit your own report
Earthquake Details
-110.2511°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 3.2 earthquake near Clay Springs, Arizona?
The magnitude 3.2 earthquake that struck 13 km NNE of Clay Springs, Arizona on March 18, 2025 at 19:42 UTC had a depth of 5.0 km. For context, this was a minor earthquake typically detected only by instruments.
Where did the earthquake occur?
The earthquake epicenter was located at 34.4770°, -110.2511°, which is 13 km NNE of Clay Springs, Arizona.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 3.2 earthquakes can continue for several days and gradually diminish over time.
Authoritative source: USGS event page (event ID: us6000pzms). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, March 18, 2025). M3.2 Earthquake 13 km NNE of Clay Springs, Arizona — March 18, 2025. Retrieved May 17, 2025 from https://www.earthquaketracker.org/earthquakes/event/us6000pzms/