QuakeIndex

Earthquake · reviewed by a seismologist

M 2.5mb_lg

Earthquake near Hillsboro, OH

No earthquake was likely felt in Hillsboro in the 24 hours to 7:29 am EST (12:29 UTC). The last one was M 2.5, 3 km (2 mi) NE, at 5:50 am EST on 22 February 2026, estimated intensity III (weak) in town; 90 felt reports to USGS. Every earthquake near Hillsboro

This page: a magnitude 2.5 earthquake was recorded 3 km (2 mi) northeast of Hillsboro, OH, at 5:50 am EST on 22 February 2026 (10:50 UTC), 11 km deep. 90 people have reported feeling it to USGS.

USGS: 2 km NE of Hillsboro, Ohio

99 km (62 mi) SSW of Columbus, OH

5:50 am EST, Feb 22, 2026 · · 11 km deep · released about 170 lb of TNT

10 km30 km60 km120 km N Highland County 4 kmClinton County 29 kmFayette County 39 kmBrown County 40 kmAdams County 44 kmRoss County 47 kmPike County 49 kmClermont County 52 kmWarren County 55 km
Distance rings around the epicentre, with the nearest towns at their true direction. Not a shaking map — see the USGS ShakeMap for that.
When
5:50 am EST on 22 February 2026 ()
Where
3 km (2 mi) northeast of Hillsboro, OH · earthquakes near Hillsboro
Magnitude
M 2.5 (mb_lg)
Depth
11 km below the surface
Felt
90 reports · strongest reported intensity IV
Nearest
Highland County, 4 km SSW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 183 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage.

At this magnitude and depth, people at rest would likely notice it out to about 45 km (28 mi) from the epicentre. In Hillsboro, 3 km away, the estimate is intensity III (weak). Estimated from magnitude, depth and distance with the intensity equation USGS Did You Feel It? uses; felt reports, where there are any, are the measurement.

Earthquakes near other towns within 30 km: Leesburg, New Vienna, Lynchburg, Greenfield.

How big was it?

This earthquake released about 170 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.5 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 89,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 63,000× the energy of this one
  3. Around the size people start to feel M 3.0 5.6× the energy of this one
  4. This earthquake M 2.5 about 170 lb of TNT

Energy from the Gutenberg–Richter relation (log10E = 1.5M + 4.8), rounded to two figures; bar length is magnitude, which is already a logarithm of energy. Magnitudes of past earthquakes from the USGS catalogue.

For this area

No earthquake of M4 or more has been recorded within 50 km since our catalogue begins in 2016.

Before 2016, the USGS record since 1900 lists no earthquake of M5 or more within 50 km.

Since 2016: the QuakeIndex catalogue (US, M1.5+), built from the USGS FDSN event service. Before 2016: USGS ComCat, M5+ from 1900. Distances are between epicentres. This is the record, not a forecast.

Where

Epicentre 39.2206, -83.5883. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Highland County, OH 4 km (3 mi) SSW earthquakes near Highland County
Clinton County, OH 29 km (18 mi) NW earthquakes near Clinton County
Fayette County, OH 39 km (24 mi) NNE earthquakes near Fayette County
Brown County, OH 40 km (25 mi) SW earthquakes near Brown County
Adams County, OH 44 km (27 mi) SSE earthquakes near Adams County
Ross County, OH 47 km (29 mi) ENE earthquakes near Ross County

Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.

Aftershocks so far

No further earthquakes have been recorded within 50 km since this one.

Counted from the QuakeIndex database, which ingests the USGS feed every 30 seconds · as of . QuakeIndex does not forecast aftershocks. When USGS issues an operational aftershock forecast it appears on the USGS event page.

On USGS

QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.