M2.9 Earthquake 4 km ESE of Centerville, Maine — January 17, 2021
2021-01-17 18:37:41 UTC (2021-01-17) · approx. 1:37 PM UTC-5 local
Felt by 17 people across nearby locations.
On January 17, 2021 at 18:37 UTC, a magnitude 2.9 shallow crustal earthquake struck 4 km ESE of Centerville, Maine, at a depth of 5.0 km and coordinates 44.6871°, -67.6285°.
Physical scale: An earthquake of magnitude 2.9 releases seismic energy equivalent to roughly 338 kg of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 60 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 17 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
-67.6285°E
Technical Information
Common Questions
How strong was the magnitude 2.9 earthquake near Centerville, Maine?
The magnitude 2.9 earthquake that struck 4 km ESE of Centerville, Maine on January 17, 2021 at 18:37 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 44.6871°, -67.6285°, which is 4 km ESE of Centerville, Maine.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 2.9 earthquakes can continue for several days and gradually diminish over time.
Actions
Location
Authoritative source: USGS event page (event ID: us7000d0y1). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, January 17, 2021). M2.9 Earthquake 4 km ESE of Centerville, Maine — January 17, 2021. Retrieved August 11, 2022 from https://www.earthquaketracker.org/earthquakes/event/us7000d0y1/