M1.5 earthquake 5 km SE of Ridgely, Tennessee
A magnitude 1.5 earthquake struck 5 km SE of Ridgely, Tennessee on Wed, Aug 26, 1987, 12:25 PM CDT (17:25 UTC), 7 km (4 mi) below the surface.
A larger quake followed: M2.5 3 km E of Ridgely, Tennessee. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.5 (md), micro
- Local time
- UTC
- 1987-08-26 17:25:36 UTC
- Depth
- 7.0 km (4.3 mi), shallow
- Epicenter
- 36.223° N, 89.447° 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
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 5 in the 30 days before it.
After
- 2.53 km E of Ridgely, Tennessee · 14266 days ago · 11 km deep · 4 km away
- 1.65 km ESE of Marston, Missouri · 14262 days ago · 5 km deep · 32 km away
- 1.67 km SE of Ridgely, Tennessee · 14259 days ago · 6 km deep · 2 km away
- 2.37 km S of Catron, Missouri · 14248 days ago · 12 km deep · 42 km away
- 4.36 km SSE of Cairo, Illinois · 14239 days ago · 11 km deep · 85 km away
- 1.86 km S of Wickliffe, Kentucky · 14238 days ago · 7 km deep · 82 km away
- 1.78 km SSE of Wyatt, Missouri · 14237 days ago · 4 km deep · 72 km away
- 1.95 km NNW of Columbus, Kentucky · 14231 days ago · 11 km deep · 71 km away
- 1.69 km ESE of Ridgely, Tennessee · 14222 days ago · 5 km deep · 5 km away
Before
- 1.912 km S of Ridgely, Tennessee · 14275 days ago · 12 km deep · 9 km away
- 1.53 km E of Caruthersville, Missouri · 14277 days ago · 5 km deep · 16 km away
- 1.56 km SE of Canalou, Missouri · 14286 days ago · 9 km deep · 57 km away
- 1.62 km S of Howardville, Missouri · 14296 days ago · 6 km deep · 39 km away
- 1.67 km ESE of Caruthersville, Missouri · 14296 days ago · 15 km deep · 14 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event nm603213. Read Tue, Sep 22, 2026, 10:27 PM UTC.