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Minor mag. 1.0 earthquake - 4 Km NW of Ridgely, Tennessee, on Sunday, Dec 19, 2021 at 6:47 pm (GMT -6) -

Minor mag. 1.0 earthquake - 4 Km NW of Ridgely, Tennessee, on Sunday, Dec 19, 2021 at 6:47 pm (GMT -6) Minor mag. 1.0 earthquake - 4 Km NW of Ridgely, Tennessee, on Sunday, Dec 19, 2021 at 6:47 pm (GMT -6)

Minor magnitude 1.0 earthquake at 9 km depth

20 Dec 15:14 UTC: First to report: USGS after 14 hours.

Earthquake details

Date & timeDec 20, 2021 00:47:48 UTC -
Local time at epicenterSunday, Dec 19, 2021 at 6:47 pm (GMT -6)
StatusConfirmed
Magnitude1
Depth9.1 km
Epicenter latitude / longitude36.29017°N / 89.52933°W (Tennessee, United States)
Antipode36.29°S / 90.471°E
Shaking intensityNot felt
Primary data sourceUSGS (United States Geological Survey)
Nearby towns and cities5 km (3 mi) NW of Ridgely (pop: 1,710) | Show on map | Quakes nearby
11 km (7 mi) SSW of Tiptonville (pop: 4,350) | Show on map | Quakes nearby
16 km (10 mi) NE of Caruthersville (Pemiscot County, Missouri) (pop: 5,930) | Show on map | Quakes nearby
21 km (13 mi) SE of Portageville (Missouri) (pop: 3,150) | Show on map | Quakes nearby
31 km (19 mi) NW of Newbern (pop: 3,340) | Show on map | Quakes nearby
31 km (19 mi) NNW of Dyersburg (Dyer County) (pop: 16,800) | Show on map | Quakes nearby
45 km (28 mi) WSW of Union City (pop: 10,600) | Show on map | Quakes nearby
48 km (30 mi) E of Kennett (Dunklin County, Missouri) (pop: 10,700) | Show on map | Quakes nearby
53 km (33 mi) NE of Blytheville (Mississippi County, Arkansas) (pop: 14,700) | Show on map | Quakes nearby
65 km (41 mi) S of Sikeston (Scott County, Missouri) (pop: 16,400) | Show on map | Quakes nearby
Estimated seismic energy released2 x 106 joules (0.554 kilowatt hours) | about seismic energy
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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.
Mag.DepthLocationSource
1.09.1 km4 Km NW of Ridgely, TennesseeUSGS
1.09.1 kmNew Madrid, Missouri RegionRaspberryShake

User reports for this quake

At magnitude 1.0, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.
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