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Minor earthquake, 2.9 mag strikes near Medford in Oklahoma


Earthquake location 36.835S, -97.6873WA minor earthquake magnitude 2.9 (ml/mb) has occurred on Wednesday, 5 kilometers (3 miles) from Medford in Oklahoma. The temblor was picked up at 19:56:23 / 7:56 pm (local time epicenter). Exact time and date of event in UTC/GMT: 27/08/15 / 2015-08-27 00:56:23 / August 27, 2015 @ 12:56 am. Exact location of earthquake, -97.6873° West, 36.835° North, depth 1.28 km. Unique identifier: us10003577. Ids that are associated to the event: us10003577. The epicenter of the earthquake was roughly 1.28 km (1 miles) below the earth’s surface.

Country/countries that might be effected, United States (c. 310 233 000 pop). Epicenter of the event was 52 km (32 miles) from Enid (c. 49 400 pop), 55 km (34 miles) from Ponca City (c. 25 400 pop), 63 km (39 miles) from Arkansas City (c. 12 400 pop), 76 km (47 miles) from Winfield (c. 12 300 pop), 55 km (34 miles) from Wellington (c. 8 200 pop). Nearest cities/city/villages to epicentrum/hypocenter was Winfield, Perry, Arkansas City (min 5000 pop).

Every year there are an estimated 1,300,000 minor earthquakes in the world. In the past 24 hours, there have been two, in the last 10 days sixteen, in the past 30 days fourty-four and in the last 365 days six hundred and thirty earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 2.5 to 3.0 are often felt, but only causes minor damage.

Did you feel the quake?

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: 5 km NE of Medford, Oklahoma.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -97.6873° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.835° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 1.28 km Depth of the event in kilometers.
Place 5km NE 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 2015-08-27 00:56:23 Time when the event occurred. UTC/GMT
Updated 2015-08-27 01:06:29 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 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 0.139 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.48 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 41 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb_lg The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us10003577 Id of event.
Event Code 10003577 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10003577, A comma-separated list of event ids that are associated to an event.

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