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Minor earthquake, 2.9 mag has occurred near Medford in Oklahoma


Earthquake location 36.7141S, -97.6336WA minor earthquake magnitude 2.9 (ml/mb) strikes 13 kilometers (8 miles) from Medford in Oklahoma on Wednesday. The temblor was picked up at 08:36:59 / 8:36 am (local time epicenter). Exact time and date of earthquake 12/08/15 / 2015-08-12 13:36:59 / August 12, 2015 @ 1:36 pm UTC/GMT. The epicenter of the earthquake was roughly 3.807 km (2 miles) below the earth’s surface. Exact location of event, longitude -97.6336 West, latitude 36.7141 North, depth = 3.807 km. Unique identifier: us100031gd. Ids that are associated to the event: us100031gd.

Close country/countries, United States (c. 310 233 000 pop) (That might be effected). Nearest cities/city/villages to epicentrum/hypocenter was Wellington, Arkansas City, Perry (min 5000 pop). Epicenter of the event was 42 km (26 miles) from Enid (c. 49 400 pop), 49 km (30 miles) from Ponca City (c. 25 400 pop), 66 km (41 miles) from Arkansas City (c. 12 400 pop), 66 km (41 miles) from Wellington (c. 8 200 pop), 33 km (20 miles) from Blackwell (c. 7 100 pop).

In the past 24 hours, there have been 0, in the last 10 days sixteen, in the past 30 days fifty and in the last 365 days seven hundred and fourteen earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 2.5 to 3.0 are often felt, but only causes minor damage. Each year there are an estimated 1,300,000 minor quakes in the world.

Did you feel anything?

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: 13 km SE of Medford, Oklahoma.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -97.6336° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.7141° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 3.807 km Depth of the event in kilometers.
Place 13km SE of Medford, Oklahoma Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-08-12 13:36:59 Time when the event occurred. UTC/GMT
Updated 2015-08-12 14:53:05 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI 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 129 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 0.38 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 103 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 us100031gd Id of event.
Event Code 100031gd An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100031gd, A comma-separated list of event ids that are associated to an event.

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