M2.0 Earthquake 3 km E of Plainville, Connecticut — May 20, 2025
2025-05-20 18:30:05 UTC (2025-05-20) · approx. 1:30 PM UTC-5 local
Felt by 10 people across nearby locations.
On May 20, 2025 at 18:30 UTC, a magnitude 2.0 shallow crustal earthquake struck 3 km E of Plainville, Connecticut, at a depth of 0.0 km and coordinates 41.6718°, -72.8187°. This earthquake was detected by 11 seismic stations with good location accuracy and was assigned a USGS significance rating of 65, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 2.0 releases seismic energy equivalent to roughly 15.1 kg of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 14 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 10 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
-72.8187°E
Technical Information
Common Questions
How strong was the magnitude 2.0 earthquake near Plainville, Connecticut?
The magnitude 2.0 earthquake that struck 3 km E of Plainville, Connecticut on May 20, 2025 at 18:30 UTC had a depth of 0.0 km. For context, this was a minor earthquake typically detected only by instruments.
Where did the earthquake occur?
The earthquake epicenter was located at 41.6718°, -72.8187°, which is 3 km E of Plainville, Connecticut.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 2.0 earthquakes can continue for several days and gradually diminish over time.
Authoritative source: USGS event page (event ID: us7000q0gv). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, May 20, 2025). M2.0 Earthquake 3 km E of Plainville, Connecticut — May 20, 2025. Retrieved October 26, 2025 from https://www.earthquaketracker.org/earthquakes/event/us7000q0gv/