M4.7 earthquake 1 km NE of Alcoa, Tennessee
A magnitude 4.7 earthquake struck 1 km NE of Alcoa, Tennessee on Fri, Nov 30, 1973, 2:48 AM EST (07:48 UTC), 3 km (2 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb), light
- Local time
- UTC
- 1973-11-30 07:48:41 UTC
- Depth
- 3.0 km (1.9 mi), shallow
- Epicenter
- 35.799° N, 83.962° W
- Region
- Tennessee
- Strongest shaking
- VI, strong 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
- VI, strong shaking
- Peak ground acceleration
- 69.1% of gravity
- Peak ground velocity
- 2.3 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.
- Stations used
- 88
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00004c7 (also filed as ushis3257, atlas19731130074841). Read Tue, Sep 22, 2026, 7:50 AM UTC.