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Event status: unconfirmed [?]

Reported quake or seismic-like event: 6.1 mi south of Bridgeton, Cumberland County, New Jersey, USA, Sunday, Nov 21, 2021 at 11:57 am (GMT -5) -

Reported quake or seismic-like event: 6.1 mi south of Bridgeton, Cumberland County, New Jersey, USA, Sunday, Nov 21, 2021 at 11:57 am (GMT -5) Reported quake or seismic-like event: 6.1 mi south of Bridgeton, Cumberland County, New Jersey, USA, Sunday, Nov 21, 2021 at 11:57 am (GMT -5)
21 Nov 17:02 UTC: First to report: VolcanoDiscovery after 5 minutes.

Earthquake details

Date & timeNov 21, 2021 16:57:06 UTC -
Local time at epicenterSunday, Nov 21, 2021 at 11:57 am (GMT -5)
Statusunconfirmed
Magnitudeunknown (3.8?)
Depth10.0 km
Epicenter latitude / longitude39.34378°N / 75.26898°W (Cumberland, New Jersey, United States)
Antipode39.344°S / 104.731°E
Shaking intensityWeak shaking
Felt480 reports
Primary data sourceVolcanoDiscovery (User-reported shaking)
Nearby towns and cities6 km (4 mi) SW of Fairfield (pop: 1,260) | Show on map | Quakes nearby
10 km (6 mi) SSW of Bridgeton (pop: 25,000) | Show on map | Quakes nearby
21 km (13 mi) WSW of Millville (pop: 28,200) | Show on map | Quakes nearby
26 km (16 mi) SW of Vineland (pop: 60,800) | Show on map | Quakes nearby
40 km (25 mi) ESE of Middletown (Delaware) (pop: 20,400) | Show on map | Quakes nearby
45 km (28 mi) SSW of Williamstown (pop: 15,600) | Show on map | Quakes nearby
48 km (30 mi) SSW of Sewell (pop: 37,400) | Show on map | Quakes nearby
49 km (30 mi) SSW of Waretown (pop: 42,900) | Show on map | Quakes nearby
51 km (31 mi) SSE of Wilmington (Delaware) (pop: 71,900) | Show on map | Quakes nearby
160 km (100 mi) ENE of Washington (District of Columbia) (pop: 601,700) | Show on map | Quakes nearby
Weather at epicenter at time of quakeOvercast Clouds 12.9°C (55 F), humidity: 77%, wind: 4 m/s (8 kts) from SSW
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Seismograms

Seismic station: Greenville, DE, USA (GEDE/LD network) | Distance from quake: 61 km / 38 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 (682)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Newark, de (57.3 km NW of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : I felt an initial bump and then about 3 seconds of vibrations  
Vineland, NJ / not felt
Vineland,NJ / not felt
Milton, Delaware / not felt
Middletown / Weak shaking (MMI III) / rattling, vibrating / 1-2 s : It felt like an explosion went off Shook the house  
Bear Delaware / Weak shaking (MMI III) / horizontal (sideways) swinging / 1-2 s : Room seemed to move horizontally. Heard a large boom.  
Middletown / Weak shaking (MMI III) / complex motion difficult to describe / very short
Cambridge, MD / not felt
Bear, DE / Light shaking (MMI IV) / single lateral shake / 2-5 s : I thought someone had driven a car into my house! Noise scared my cats.  
Pennsville, NJ / not felt : Some people are talking about it in Pennsville. I felt nothing.  
Bear DE / Moderate shaking (MMI V) / single lateral shake / 2-5 s
Newark, de / not felt
Middletown DE / Moderate shaking (MMI V) / rattling, vibrating / very short : Probable bomb detonation Atlantic Ocean  
Monroeville / not felt
Township of Delran, NJ, Tenby Chase area right off / not felt : Didn't feel anything.  
Wilmington DE 19810 / Weak shaking (MMI III) / rattling, vibrating / 2-5 s : Heard a loud noise at the same time whole house shook  
Salem / not felt
Bear Delaware / Moderate shaking (MMI V) / rattling, vibrating / 2-5 s : The was a loud Boom and then the house rattled  
Bear, DE / Light shaking (MMI IV) / complex motion difficult to describe / 1-2 s : My house really shuck good. Also, a loud noise could be heard.  
Carneys Point N. J. / Weak shaking (MMI III) / single vertical bump / 1-2 s : I was outside, it felt like a loud explosion. Very quick, but very intense! ( weak shaking )  
Pennsville, Nj / not felt
Rehoboth Beach, DE / not felt : My daughter told us about it after seeing the reports in social media. We did not feel a thing.  
Bear, DE / Light shaking (MMI IV) / single vertical bump / very short : A boom with a short vibration.  
BEAR, de / Very weak shaking (MMI II) / 2-5 s : Very weak  
Pennsville, NJ / not felt : I heard a boom, but didn't feel it and it was very brief  
19720 / Very weak shaking (MMI II) / rattling, vibrating / 1-2 s
Pennsville, nj / not felt
Dover / not felt
New Castle DE / Moderate shaking (MMI V) / complex motion difficult to describe / 2-5 s
Wilmington Delaware 19704 / Weak shaking (MMI III) / rattling, vibrating / 1-2 s
19709 / Weak shaking (MMI III) / rattling, vibrating / very short
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