M3.3 earthquake 8 km ENE of Ooltewah, Tennessee
A magnitude 3.3 earthquake struck 8 km ENE of Ooltewah, Tennessee on Fri, Jul 11, 1986, 10:26 AM EDT (14:26 UTC), 5 km (3 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.3 (md), minor
- Local time
- UTC
- 1986-07-11 14:26:18 UTC
- Depth
- 5.0 km (3.1 mi), shallow
- Epicenter
- 35.110° N, 84.980° W
- Region
- Tennessee
- Strongest shaking
- IV, light shaking
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- IV, light shaking
- Peak ground acceleration
- 20.3% of gravity
- Peak ground velocity
- 1.1 cm/s
- Map
- Automatic

Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 2 in the 30 days before it.
After
- 2.43 km W of Cohutta, Georgia · 14683 days ago · 14 km deep · 18 km away
- 1.5Tennessee · 14677 days ago · 14 km deep · 88 km away
- 2.51 km S of Niota, Tennessee · 14664 days ago · 15 km deep · 59 km away
- 1.53 km NNW of Broomtown, Alabama · 14642 days ago · 10 km deep · 95 km away
Before
Earthquakes todayTennessee earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event se602863 (also filed as ushis3959, usp0002vxn). Read Wed, Sep 30, 2026, 12:28 PM UTC.