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Minor earthquake: M2.9 quake has struck near Medford in Oklahoma


Earthquake location 36.8319S, -97.805WA minor earthquake magnitude 2.9 (ml/mb) strikes 6 kilometers (4 miles) from Medford in Oklahoma on Friday. The 2.9-magnitude earthquake was detected at 16:29:54 / 4:29 pm (local time epicenter). The earthquake occurred at a depth of 1.143 km (1 miles). Unique identifier: us100032wb. Ids that are associated to the event: us100032wb. Exact time and date of earthquake 14/08/15 / 2015-08-14 21:29:54 / August 14, 2015 @ 9:29 pm UTC/GMT. Exact location of earthquake, -97.805° West, 36.8319° North, depth 1.143 km.

Nearest cities/city/towns to hypocenter/epicentrum was Perry, Arkansas City, Ponca City (min 5000 pop). Earthquake epicenter was 49 km (30 miles) from Enid (c. 49 400 pop), 66 km (41 miles) from Ponca City (c. 25 400 pop), 73 km (45 miles) from Arkansas City (c. 12 400 pop), 62 km (38 miles) from Wellington (c. 8 200 pop), 47 km (29 miles) from Blackwell (c. 7 100 pop). 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. In the past 24 hours, there have been thirty-one, in the last 10 days fourty-eight, in the past 30 days eighty-two and in the last 365 days six hundred and fourty-eight earthquakes of magnitude 3.0 or greater that has struck near. There are an estimated 1,300,000 minor earthquakes in the world each year.

Did you feel anything?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 6 km WNW of Medford, Oklahoma.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -97.805° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.8319° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 1.143 km Depth of the event in kilometers.
Place 6km WNW 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 2015-08-14 21:29:54 Time when the event occurred. UTC/GMT
Updated 2015-09-09 02:06:01 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.11 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 43 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 us100032wb Id of event.
Event Code 100032wb An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100032wb, A comma-separated list of event ids that are associated to an event.

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