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Minor earthquake, 2.9 mag has occurred near Medford in Oklahoma


Earthquake location 36.7572S, -97.5495WA minor earthquake magnitude 2.9 (ml/mb) strikes 17 kilometers (11 miles) from Medford in Oklahoma on Sunday. Date and time of earthquake in UTC/GMT: 05/07/15 / 2015-07-05 16:27:50 / July 5, 2015 @ 4:27 pm. The temblor was picked up at 11:27:50 / 11:27 am (local time epicenter). Exact location of earthquake, -97.5495° West, 36.7572° North, depth 7.113 km. All ids that are associated to the event: us10002nnp. Unique identifier: us10002nnp. The epicenter of the earthquake was roughly 7.113 km (4 miles) below the earth’s surface.

Event epicenter was 50 km (31 miles) from Enid (c. 49 400 pop), 42 km (26 miles) from Ponca City (c. 25 400 pop), 57 km (35 miles) from Arkansas City (c. 12 400 pop), 73 km (45 miles) from Winfield (c. 12 300 pop), 59 km (36 miles) from Wellington (c. 8 200 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Winfield, Wellington, Perry. Country/countries that might be effected, United States (c. 310 233 000 pop).

Earthquakes 2.5 to 3.0 are often felt, but only causes minor damage. There are an estimated 1,300,000 minor quakes in the world each year. In the past 24 hours, there have been two, in the last 10 days twenty-four, in the past 30 days seventy-three and in the last 365 days six hundred and ninety-four earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel it?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking 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: 17 km ESE of Medford, Oklahoma.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -97.5495° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.7572° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 7.113 km Depth of the event in kilometers.
Place 17km ESE 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 2015-07-05 16:27:50 Time when the event occurred. UTC/GMT
Updated 2015-07-06 19:56:38 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 0.28 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 66 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 us10002nnp Id of event.
Event Code 10002nnp An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10002nnp, A comma-separated list of event ids that are associated to an event.

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