M1.8 earthquake 4 km NNE of Greenback, Tennessee
A magnitude 1.8 earthquake struck 4 km NNE of Greenback, Tennessee on Wed, Nov 11, 1987, 2:02 AM EST (07:02 UTC), 19 km (12 mi) below the surface.
A larger quake followed: M3.2 12 km SE of Tellico Plains, Tennessee. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.8 (md), micro
- Local time
- UTC
- 1987-11-11 07:02:40 UTC
- Depth
- 19.1 km (11.9 mi), shallow
- Epicenter
- 35.699° N, 84.144° 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
- 43°
- Stations used
- 41
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 5 in the 30 days before it.
After
- 1.91 km SSW of Coalfield, Tennessee · 14175 days ago · 22 km deep · 44 km away
- 2.58 km SE of Wildwood Lake, Tennessee · 14156 days ago · 11 km deep · 94 km away
- 2.311 km SE of Tellico Plains, Tennessee · 14143 days ago · 15 km deep · 46 km away
- 2.912 km SE of Tellico Plains, Tennessee · 14143 days ago · 13 km deep · 46 km away
- 1.5Tennessee · 14143 days ago · 11 km deep · 47 km away
- 3.212 km SE of Tellico Plains, Tennessee · 14143 days ago · 12 km deep · 47 km away
- 1.911 km SE of Tellico Plains, Tennessee · 14143 days ago · 8 km deep · 45 km away
Before
- 1.75 km WNW of Graysville, Tennessee · 14202 days ago · 22 km deep · 94 km away
- 1.53 km NE of Rutledge, Tennessee · 14204 days ago · 11 km deep · 90 km away
- 1.813 km SW of Epworth, Georgia · 14220 days ago · 7 km deep · 97 km away
- 1.65 km WSW of Garland, Tennessee · 14220 days ago · 11 km deep · 15 km away
- 2.37 km SE of Kingston, Tennessee · 14223 days ago · 13 km deep · 31 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event se60689. Read Mon, Sep 28, 2026, 2:40 PM UTC.