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Minor earthquake: M2.8 quake has struck near Perry in Oklahoma


Earthquake location 36.2973S, -97.5467WA minor earthquake with magnitude 2.8 (ml/mb) was reported 23 kilometers (14 miles) from Perry in Oklahoma on Thursday. Exact location of event, depth 6.962 km, -97.5467° West, 36.2973° North. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 6.962 km (4 miles). The temblor was reported at 17:25:18 / 5:25 pm (local time epicenter). Id of earthquake: us20002q19. Event ids that are associated: us20002q19. Date and time of earthquake in UTC/GMT: 11/06/15 / 2015-06-11 22:25:18 / June 11, 2015 @ 10:25 pm.

Close country/countries that might be effected, United States (c. 310 233 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Piedmont, Edmond, Ponca City. Event epicenter was 72 km (45 miles) from Edmond (c. 81 400 pop), 32 km (20 miles) from Enid (c. 49 400 pop), 48 km (30 miles) from Stillwater (c. 45 700 pop), 61 km (38 miles) from Ponca City (c. 25 400 pop), 48 km (30 miles) from Guthrie (c. 10 200 pop).

There are an estimated 1,300,000 minor quakes in the world each year. In the past 24 hours, there have been fourty-nine, in the last 10 days sixty-seven, in the past 30 days one hundred and one and in the last 365 days seven hundred and fifty-eight earthquakes of magnitude 3.0 or greater that was reported nearby.

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city 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: 23 km W of Perry, Oklahoma.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -97.5467° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.2973° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 6.962 km Depth of the event in kilometers.
Place 23km 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 2015-06-11 22:25:18 Time when the event occurred. UTC/GMT
Updated 2015-06-27 22:43:36 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 0.43 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 84 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 us20002q19 Id of event.
Event Code 20002q19 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20002q19, A comma-separated list of event ids that are associated to an event.

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