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Event status: highly uncertain [?]

Reported quake or seismic-like event: 254 mi northeast of Central, Radford County, Virginia, USA, Saturday, Oct 30, 2021 at 12:40 pm (GMT -4) -

Reported quake or seismic-like event: 254 mi northeast of Central, Radford County, Virginia, USA, Saturday, Oct 30, 2021 at 12:40 pm (GMT -4) Reported quake or seismic-like event: 254 mi northeast of Central, Radford County, Virginia, USA, Saturday, Oct 30, 2021 at 12:40 pm (GMT -4)
30 Oct 16:43 UTC: First to report: VolcanoDiscovery after 3 minutes.

Earthquake details

Date & timeOct 30, 2021 16:40:39 UTC -
Local time at epicenterSaturday, Oct 30, 2021 at 12:40 pm (GMT -4)
Statushighly uncertain
Depth10.0 km
Epicenter latitude / longitude39.55127°N / 77.04774°W (Radford, Virginia, United States)
Antipode39.551°S / 102.952°E
Shaking intensityWeak shaking
Felt2 reports
Primary data sourceVolcanoDiscovery (User-reported shaking)
Nearby towns and cities5 km (3 mi) WSW of Bedford (Maryland) (pop: 18,700) | Show on map | Quakes nearby
21 km (13 mi) WNW of Washington (Maryland) (pop: 26,000) | Show on map | Quakes nearby
27 km (17 mi) WNW of Owings Mills (Maryland) (pop: 30,600) | Show on map | Quakes nearby
30 km (19 mi) NW of Randallstown (Maryland) (pop: 32,400) | Show on map | Quakes nearby
35 km (22 mi) ENE of Frederick (Maryland) (pop: 69,500) | Show on map | Quakes nearby
38 km (24 mi) NW of Ellicott City (Maryland) (pop: 65,800) | Show on map | Quakes nearby
39 km (24 mi) NNW of Columbia (Maryland) (pop: 99,600) | Show on map | Quakes nearby
47 km (29 mi) NW of Baltimore (Maryland) (pop: 621,800) | Show on map | Quakes nearby
73 km (45 mi) N of Washington (District of Columbia) (pop: 601,700) | Show on map | Quakes nearby
225 km (140 mi) N of Richmond (pop: 220,300) | Show on map | Quakes nearby
Weather at epicenter at time of quakeOvercast Clouds 11.7°C (53 F), humidity: 85%, wind: 0 m/s (0 kts)
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Seismic station: Greenville, DE, USA (GEDE/LD network) | Distance from quake: 124 km / 77 mi | Show on map | Station Info
Seismic station Greenville, DE, 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 (3)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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1008 commercial Ave, Clifton Forge, Va 24422 (308.4 km SW of epicenter) [Map] / not felt / very short : I had suitcases fall off a shelf in the bed room that I was in and an item fall from a bookcase in the hall.  
near Newton, Sussex, New Jersey (240.5 km NE of epicenter) [Map] / Moderate shaking (MMI V) / complex motion difficult to describe / several minutes : MAGNITUDE 10 RICHTER SCALE  
Radford (407 km SW of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 1-2 minutes

Earlier earthquakes in the same area

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