M2.8 Earthquake 4 km E of Centerville, Maine — August 11, 2022
2022-08-11 23:09:05 UTC (2022-08-11) · approx. 6:09 PM UTC-5 local
Felt by 13 people across nearby locations.
On August 11, 2022 at 23:09 UTC, a magnitude 2.8 shallow crustal earthquake struck 4 km E of Centerville, Maine, at a depth of 6.2 km and coordinates 44.7073°, -67.6240°. This earthquake was detected by 12 seismic stations with good location accuracy and was assigned a USGS significance rating of 126, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 2.8 releases seismic energy equivalent to roughly 239 kg of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 52 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 13 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
-67.6240°E
Technical Information
Common Questions
How strong was the magnitude 2.8 earthquake near Centerville, Maine?
The magnitude 2.8 earthquake that struck 4 km E of Centerville, Maine on August 11, 2022 at 23:09 UTC had a depth of 6.2 km. For context, this was a minor earthquake typically detected only by instruments.
Where did the earthquake occur?
The earthquake epicenter was located at 44.7073°, -67.6240°, which is 4 km E of Centerville, Maine.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 2.8 earthquakes can continue for several days and gradually diminish over time.
Actions
Location
Authoritative source: USGS event page (event ID: us6000ia24). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, August 11, 2022). M2.8 Earthquake 4 km E of Centerville, Maine — August 11, 2022. Retrieved October 21, 2022 from https://www.earthquaketracker.org/earthquakes/event/us6000ia24/