Light mag. 4.0 earthquake - 11 mi east of Dyersburg, Dyer County, Tennessee, USA, on Friday, 7 August 1981 at 11:53 (GMT)
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Light magnitude 4.0 earthquake at 23 km depth
1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Depth: 22.8 km
Epicenter latitude / longitude: 36.03°N / 89.18°W (Dyer, Tennessee, United States)
Nearby towns and cities:
15 km (9 mi) NNE of Friendship (pop: 668) --> See nearby quakes!
19 km (11 mi) E of Dyersburg (Dyer County) (pop: 16,800) --> See nearby quakes!
22 km (14 mi) WNW of Trenton (pop: 4,130) --> See nearby quakes!
33 km (21 mi) NW of Humbolt (pop: 8,310) --> See nearby quakes!
46 km (28 mi) SW of Martin (pop: 11,000) --> See nearby quakes!
46 km (28 mi) SW of Greenbrier Glade (pop: 11,000) --> See nearby quakes!
57 km (35 mi) NW of Jackson (pop: 67,000) --> See nearby quakes!
126 km (78 mi) NE of Menfis (pop: 655,800) --> See nearby quakes!
132 km (82 mi) NE of New South Memphis (pop: 641,600) --> See nearby quakes!
216 km (134 mi) W of Nashville (pop: 530,900) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 6.3 x 1010 joules (17.5 megawatt hours, equivalent to 15.1 tons of TNT) More info
Data for the same earthquake reported by different agencies
Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
|4.0||23 km||11km SE of Newbern, Tennessee (USA)||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.