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Event status: uncertain, preliminary [?]

Unconfirmed earthquake or seismic-like event: 6.6 mi southwest of East Chattanooga, Hamilton County, Tennessee, USA, Thursday, Dec 16, 2021 at 10:31 am (GMT -5) -

Unconfirmed earthquake or seismic-like event: 6.6 mi southwest of East Chattanooga, Hamilton County, Tennessee, USA, Thursday, Dec 16, 2021 at 10:31 am (GMT -5) Unconfirmed earthquake or seismic-like event: 6.6 mi southwest of East Chattanooga, Hamilton County, Tennessee, USA, Thursday, Dec 16, 2021 at 10:31 am (GMT -5)
16 Dec 15:34 UTC: First to report: VolcanoDiscovery after 3 minutes.

Earthquake details

Date & timeDec 16, 2021 15:31:31 UTC -
Local time at epicenterThursday, Dec 16, 2021 at 10:31 am (GMT -5)
Statusuncertain, preliminary
Magnitudeunknown
Depth10.0 km
Epicenter latitude / longitude35.02008°N / 85.35107°W (Hamilton, Tennessee, United States)
Antipode35.02°S / 94.649°E
Shaking intensityWeak shaking
Felt6 reports
Primary data sourceVolcanoDiscovery (User-reported shaking)
Nearby towns and cities3 km (2 mi) N of Lookout Mountain (pop: 1,880) | Show on map | Quakes nearby
5 km (3 mi) SW of Chattanooga (pop: 176,600) | Show on map | Quakes nearby
11 km (7 mi) SSW of Red Bank (pop: 11,800) | Show on map | Quakes nearby
11 km (7 mi) SSW of Hamilton (pop: 11,800) | Show on map | Quakes nearby
18 km (11 mi) W of East Brainerd (pop: 15,100) | Show on map | Quakes nearby
18 km (11 mi) W of East Brainerd (Hamilton County) (pop: 15,100) | Show on map | Quakes nearby
25 km (15 mi) SW of Middle Valley (pop: 12,700) | Show on map | Quakes nearby
46 km (29 mi) WSW of Cleveland (pop: 43,900) | Show on map | Quakes nearby
182 km (113 mi) SE of Nashville (pop: 530,900) | Show on map | Quakes nearby
855 km (531 mi) WSW of Washington (District of Columbia) (pop: 601,700) | Show on map | Quakes nearby
Weather at epicenter at time of quakeBroken Clouds 14.7°C (58 F), humidity: 69%, wind: 2 m/s (3 kts) from SSE
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User reports for this quake (7)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Dallas, georgia / not felt : I heard a low rumbling sound sometime between 7pm-2am. I was asleep and had just woken up and heard a low rumble that seemed to come from all around me. I'm used to planes and helicopters passing overhead, but it didn't sound anything like that. I thought  
Chattanooga Tennessee (3.2 km NNE of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 10-15 s
Ellijay GA (67 km SSE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 5-10 s : Weak shaking  
Ellijay GA (67 km SSE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 5-10 s : Weak shaking  
Chattanooga, Condado de Hamilton, Tennessee (3.4 km ENE of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 2-5 s : vibration like feeling  
Chattanooga Tennessee (3.4 km WSW of epicenter) [Map] / Weak shaking (MMI III) / vibration and rolling / 30-60 s
Chattanooga / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
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