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Minor earthquake, 2.8 mag strikes near Perry in Oklahoma


Earthquake location 36.29S, -97.5178WA minor earthquake magnitude 2.8 (ml/mb) has struck on Friday, 20 kilometers (12 miles) from Perry in Oklahoma. The earthquake occurred at a depth of 12.804 km (8 miles) below the earth’s surface. Exact location of event, longitude -97.5178 West, latitude 36.29 North, depth = 12.804 km. Global time and date of event 11/09/15 / 2015-09-11 21:28:18 / September 11, 2015 @ 9:28 pm UTC/GMT. Event ids that are associated to the earthquake: us20003je0. Id of event: us20003je0. The 2.8-magnitude earthquake has occurred at 16:28:18 / 4:28 pm (local time epicenter).

Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Cushing, Piedmont, Edmond. The epicenter was 71 km (44 miles) from Edmond (c. 81 400 pop), 34 km (21 miles) from Enid (c. 49 400 pop), 46 km (28 miles) from Stillwater (c. 45 700 pop), 60 km (37 miles) from Ponca City (c. 25 400 pop), 46 km (29 miles) from Guthrie (c. 10 200 pop).

Each year there are an estimated 1,300,000 minor quakes in the world. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been thirty-eight, in the last 10 days fourty-six, in the past 30 days eighty-one and in the last 365 days seven hundred and sixty-seven earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel the quake?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 20 km W of Perry, Oklahoma.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -97.5178° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.29° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 12.804 km Depth of the event in kilometers.
Place 20km W of Perry, Oklahoma Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-09-11 21:28:18 Time when the event occurred. UTC/GMT
Updated 2015-10-03 22:17:10 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 121 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.62 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 52 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 us20003je0 Id of event.
Event Code 20003je0 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003je0, A comma-separated list of event ids that are associated to an event.

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