M2.0 earthquake 7 km NW of Mascot, Tennessee
A magnitude 2.0 earthquake struck 7 km NW of Mascot, Tennessee on Fri, Jul 10, 1987, 8:22 PM EDT (00:22 UTC), 22 km (14 mi) below the surface.
A larger quake followed: M3.2 8 km NW of Mascot, Tennessee. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.0 (Md, duration), micro
- Magnitude from
- SE
- Local time
- UTC
- 1987-07-11 00:22:18 UTC
- Depth
- 22.2 km (13.8 mi), shallow
- Epicenter
- 36.105° N, 83.815° W
- Region
- Tennessee
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.
| Mag. | Scale | Computed by | Notes |
|---|---|---|---|
| 2.0 | Md, duration | SE | Preferred · Final |
| 1.9 | Md, duration | USGS National Earthquake Information Center | Reviewed |
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
- 48°
- Stations used
- 50
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
- 3.28 km NW of Mascot, Tennessee · 14329 days ago · 24 km deep · 0 km away
- 2.46 km ENE of Knoxville, Tennessee · 14323 days ago · 13 km deep · 14 km away
- 1.813 km ESE of Greenback, Tennessee · 14284 days ago · 14 km deep · 56 km away
- 3.12 km W of Madisonville, Tennessee · 14277 days ago · 21 km deep · 84 km away
Before
Earthquakes todayTennessee earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event se60643 (also filed as usp00036j6). Read Sat, Oct 3, 2026, 10:53 AM UTC.