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Weak mag. 2.4 earthquake - 0 Km NE of Alcoa, Tennessee, on Sunday, Aug 14, 2022 at 6:26 pm (GMT -4) -

Weak mag. 2.4 earthquake - 0 Km NE of Alcoa, Tennessee, on Sunday, Aug 14, 2022 at 6:26 pm (GMT -4) Weak mag. 2.4 earthquake - 0 Km NE of Alcoa, Tennessee, on Sunday, Aug 14, 2022 at 6:26 pm (GMT -4)

Weak magnitude 2.4 earthquake at 12 km depth

14 Aug 22:49 UTC: First to report: USGS after 23 minutes.
15 Aug 12:00: Magnitude recalculated from 2.2 to 2.4. Hypocenter depth recalculated from 7.9 to 11.6 km (from 4.9 to 7.2 mi). Epicenter location corrected by 0.6 km (0.4 mi) towards W.

Earthquake details

Date & timeAug 14, 2022 22:26:27 UTC -
Local time at epicenterSunday, Aug 14, 2022 at 6:26 pm (GMT -4)
StatusConfirmed
Magnitude2.4
Depth11.6 km
Epicenter latitude / longitude35.79417°N / 83.96783°W (Tennessee, United States)
Antipode35.794°S / 96.032°E
Shaking intensityNot felt
Felt3 reports
Primary data sourceUSGS (United States Geological Survey)
Nearby towns and cities1 km (0 mi) NE of Alcoa (pop: 9,320) | Show on map | Quakes nearby
4 km (3 mi) N of Maryville (pop: 28,500) | Show on map | Quakes nearby
19 km (12 mi) SSW of Knoxville (pop: 185,300) | Show on map | Quakes nearby
20 km (12 mi) ESE of Farragut (pop: 21,900) | Show on map | Quakes nearby
24 km (15 mi) WSW of Seymour (pop: 10,900) | Show on map | Quakes nearby
36 km (23 mi) SE of Oak Ridge (pop: 29,300) | Show on map | Quakes nearby
38 km (23 mi) WSW of Sevierville (pop: 16,500) | Show on map | Quakes nearby
703 km (437 mi) WSW of Washington (District of Columbia) (pop: 601,700) | Show on map | Quakes nearby
Weather at epicenter at time of quakeScattered Clouds 28.9°C (84 F), humidity: 61%, wind: 8 m/s (15 kts) from SW
Estimated seismic energy released2.5 x 108 joules (69.8 kilowatt hours) | about seismic energy
Show interactive Map
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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
2.412 km0 Km NE of Alcoa, TennesseeUSGS
2.28 kmEASTERN TENNESSEEEMSC
2.412 kmNorth CarolinaRaspberryShake

Seismograms

Seismic station: Tuckaleechee Caverns, TN, USA (TKL/IM network) | Distance from quake: 23 km / 14 mi | Show on map | Station Info
Seismic station Tuckaleechee Caverns, TN, USA: vertical movement plot around time of quake (source: IRIS/BUD)
Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (7)

At magnitude 2.4, this quake might have been felt very close to the epicenter and under calm conditions.
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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37919 (9.9 km N of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 1-2 s : Inside home. Roar sound and light vibrations. | 2 users found this interesting.  
south knoxville / not felt : I heard a loud boom, much like the fighter jets flying overhead. I did not feel shaking  
38080 / not felt / single lateral shake / 2-5 s
Home / not felt : Felt nothing  
Townsend tennessee / not felt
Louisville, TN / Very weak shaking (MMI II) / single lateral shake / 1-2 s
Maryville, TN / Very weak shaking (MMI II) / rattling, vibrating / 1-2 s

Earlier earthquakes in the same area

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