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Event status: disregarded [?]

Reported seismic-like event (likely no quake): 23 mi north of Philadelphia, Filadelfia konderria County, Pennsylvania, USA, Tuesday, Dec 6, 2022 at 9:56 pm (GMT -5) -

7 Dec 02:59 UTC: First to report: VolcanoDiscovery after 3 minutes.

Earthquake details

Date & time	Dec 7, 2022 02:56:35 UTC -
Local time at epicenter	Tuesday, Dec 6, 2022 at 9:56 pm (GMT -5)
Status	disregarded
Magnitude	unknown (3?)
Depth	10.0 km
Epicenter latitude / longitude	40.28221°N / 75.18288°W (Pennsylvania, United States)
Antipode	40.282°S / 104.817°E
Shaking intensity	Very weak shaking
Felt	2 reports
Primary data source	VolcanoDiscovery (User-reported shaking)
Nearest volcano	###NEARESTVOLCANO2###
Nearby towns and cities	2 km (1 mi) S of New Britain (Pennsylvania) (pop: 3,020) \| Show on map \| Quakes nearby 10 km (6 mi) ENE of Lansdale (Pennsylvania) (pop: 16,500) \| Show on map \| Quakes nearby 16 km (10 mi) NNW of Willow Grove (Pennsylvania) (pop: 15,700) \| Show on map \| Quakes nearby 19 km (12 mi) NNW of Abington (Pennsylvania) (pop: 55,300) \| Show on map \| Quakes nearby 22 km (14 mi) NE of Norristown (Pennsylvania) (pop: 34,400) \| Show on map \| Quakes nearby 28 km (17 mi) NW of Bensalem (Pennsylvania) (pop: 60,400) \| Show on map \| Quakes nearby 37 km (23 mi) N of Philadelphia (Pennsylvania) (pop: 1,567,400) \| Show on map \| Quakes nearby 221 km (138 mi) NE of Washington (District of Columbia) (pop: 601,700) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Moderate Rain 12.5°C (54 F), humidity: 92%, wind: 1 m/s (3 kts) from SSW
Estimated seismic energy released	2 x 10⁹ joules (554 kilowatt hours, equivalent to 0.477 tons of TNT) \| about seismic energy

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Seismograms

Seismic station: Greenville, DE, USA (GEDE/LD network) | Distance from quake: 65 km / 40 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. Bandpass filter applied: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

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Seismic station Greenville, DE, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Greenville, DE, USA: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake, showing horizontal E-W and N-S ground movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Fordham University, The Bronx, NYC (FOR/LD network) | Distance from quake: 127 km / 79 mi | Show on map | Station Info

Seismic station Fordham University, The Bronx, NYC: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Fordham University, The Bronx, NYC: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Fordham University, The Bronx, NYC: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Warrington Farm, Harbeson, DE (WADE/LD network) | Distance from quake: 178 km / 111 mi | Show on map | Station Info

Seismic station Warrington Farm, Harbeson, DE: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Warrington Farm, Harbeson, DE: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Warrington Farm, Harbeson, DE: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Corbin (Fredericksburg Observatory), Virginia, USA (CBN/US network) | Distance from quake: 298 km / 185 mi | Show on map | Station Info

Seismic station Corbin (Fredericksburg Observatory), Virginia, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Corbin (Fredericksburg Observatory), Virginia, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Corbin (Fredericksburg Observatory), Virginia, USA: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Lake Ozonia, New York, USA (LONY/US network) | Distance from quake: 485 km / 301 mi | Show on map | Station Info

Seismic station Lake Ozonia, New York, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Lake Ozonia, New York, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Lake Ozonia, New York, USA: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

User reports for this quake (2)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.

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Doylestown, PA (0 km E of epicenter) [Map] / Very weak shaking (MMI II) : slight tremor

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