M1.5 earthquake 3 km W of Mascot, Tennessee
A magnitude 1.5 earthquake struck 3 km W of Mascot, Tennessee on Wed, Aug 3, 1983, 9:40 AM EDT (13:40 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M3.1 12 km NW of Middlesboro, Kentucky. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.5 (Md, duration), micro
- Magnitude from
- SE
- Local time
- UTC
- 1983-08-03 13:40:47 UTC
- Depth
- 9.5 km (5.9 mi), shallow
- Epicenter
- 36.065° N, 83.787° W
- Region
- Tennessee
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
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
- Station coverage gap
- 208°, poorly surrounded by stations
- Stations used
- 9
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
- 2.07 km NE of Walland, Tennessee · 15764 days ago · 23 km deep · 31 km away
- 2.18 km SE of Philadelphia, Tennessee · 15757 days ago · 13 km deep · 70 km away
- 3.112 km NW of Middlesboro, Kentucky · 15740 days ago · 18 km deep · 69 km away
- 2.3Kentucky-Tennessee border region · 15740 days ago · 0 km deep · 66 km away
Before
Earthquakes todayTennessee earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event se60296. Read Thu, Oct 1, 2026, 8:20 PM UTC.