Ohio has moderate seismicity in its northeast and west, with some events linked to deep fluid injection. This page pulls real records for Ohio: the largest earthquakes on record from USGS, how often the ground shakes nearby, tsunamis from the NOAA database, and volcanoes from the Smithsonian program. Nothing is guessed.
A quiet recent record is good news, but many damaging earthquakes strike places that were quiet for decades. The only real protection is a warning the moment the ground moves - which is exactly what the free QuakeMate app gives you, along with tsunami and volcano alerts for Ohio.
Check Ohio hazard risk in detail
An interactive breakdown of the earthquake, tsunami and volcano risk in Ohio - or search any city or region.
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Earthquake risk in Ohio - FAQ
Is Ohio at risk of earthquakes?
Yes. On average about 1 quake every 10 years nearby of magnitude 4+ within 300 km, based on the last 20 years of USGS data.
What was the biggest earthquake in Ohio?
We don't have a standout large earthquake on record close to Ohio in the modern catalog, though smaller quakes can still occur.
Does Ohio get tsunamis?
Yes - 3 tsunamis since 1823 (most recently 1912) within 300 km, from the NOAA database.
How do I get earthquake warnings in Ohio?
Download the free QuakeMate app for iPhone. It watches your location and sends a real-time push the instant a quake strikes nearby, plus tsunami and volcano alerts, with custom magnitude and distance rules. On Android, join the waitlist.