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Minor earthquake: M2.73 quake strikes near Downingtown in Pennsylvania

Earthquake location 39.999S, -75.6573333WA minor earthquake magnitude 2.73 (mg/mb) was reported Sunday, 4 kilometers (2 miles) from Downingtown in Pennsylvania. The temblor was reported at 06:25:10 / 6:25 pm (local time epicenter) at a depth of 2 km (1 miles). Global time of event 2015-01-25 11:25:10 UTC/GMT. A tsunami warning has not been issued, according to the U.S. Geological Survey. Exact location of event, longitude -75.6573333 West, latitude 39.999 North, depth 2 km.

Close countries, United States (c. 310 233 000 pop). The epicenter was 42 km (26 miles) from Philadelphia (c. 1 526 000 pop), 69 km (43 miles) from Allentown (c. 118 000 pop), 44 km (27 miles) from Reading (c. 88 100 pop), 47 km (29 miles) from Camden (c. 77 300 pop), 74 km (46 miles) from Bethlehem (c. 75 000 pop). Nearest city, towns to epicentrum/hypocenter was Whitehall Township, Catasauqua, Lebanon.

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Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded in: 4 km ESE of Downingtown, Pennsylvania.

More information

Parameter Value Description
Magnitude 2.73 mb The magnitude for the event.
Longitude -75.6573333° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 39.999° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 2 km Depth of the event in kilometers.
Place 4km ESE of Downingtown, Pennsylvania Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-01-25 23:25:10 Time when the event occurred. UTC/GMT
Updated 2015-01-26 15:07:12 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 Timezone offset from UTC in minutes at the event epicenter.
Felt 7 The total number of felt reports
CDI 3.3 The maximum reported intensity for the event.
MMI The maximum estimated instrumental intensity for the event.
Alert Level The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status reviewed Indicates whether the event has been reviewed by a human.
Tsunami 0 This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG 117 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network ld The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ld A comma-separated list of network contributors.
Number of Stations Used 45 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.07733 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.36 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 34 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID ld60041203 Id of event.
Event Code 60041203 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ld60041203 A comma-separated list of event ids that are associated to an event.

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