M2.1 Earthquake 2 km SE of Madison, Ohio — April 8, 2026
2026-04-08 23:17:34 UTC (2026-04-08) · approx. 6:17 PM UTC-5 local
Felt by 27 people across nearby locations.
On April 8, 2026 at 23:17 UTC, a magnitude 2.1 shallow crustal earthquake struck 2 km SE of Madison, Ohio, at a depth of 8.0 km and coordinates 41.7520°, -81.0320°. This earthquake was detected by 18 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 77, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 2.1 releases seismic energy equivalent to roughly 21.3 kg of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 17 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 27 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
-81.0320°E
Technical Information
Common Questions
How strong was the magnitude 2.1 earthquake near Madison, Ohio?
The magnitude 2.1 earthquake that struck 2 km SE of Madison, Ohio on April 8, 2026 at 23:17 UTC had a depth of 8.0 km. For context, this was a minor earthquake typically detected only by instruments.
Where did the earthquake occur?
The earthquake epicenter was located at 41.7520°, -81.0320°, which is 2 km SE of Madison, Ohio.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 2.1 earthquakes can continue for several days and gradually diminish over time.
What should I do after an earthquake?
If you were in the affected area: check yourself and others for injuries, inspect your home for damage, and be prepared for aftershocks. For detailed guidance, see our earthquake safety guide and emergency planning resources.
Authoritative source: USGS event page (event ID: us6000snl7). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, April 8, 2026). M2.1 Earthquake 2 km SE of Madison, Ohio — April 8, 2026. Retrieved May 13, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000snl7/