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


Earthquake location 36.7361S, -97.665WA minor earthquake magnitude 2.8 (ml/mb) has struck on Wednesday, 9 kilometers (6 miles) from Medford in Oklahoma. The earthquake occurred at a depth of 3.79 km (2 miles) below the earth’s surface. All ids that are associated to the event: us200050tb. Unique identifier: us200050tb. Exact location of earthquake, longitude -97.665 West, latitude 36.7361 North, depth = 3.79 km. The temblor was reported at 01:19:21 / 1:19 am (local time epicenter). Exact time and date of event in UTC/GMT: 17/02/16 / 2016-02-17 07:19:21 / February 17, 2016 @ 7:19 am.

The epicenter was 42 km (26 miles) from Enid (c. 49 400 pop), 52 km (32 miles) from Ponca City (c. 25 400 pop), 66 km (41 miles) from Arkansas City (c. 12 400 pop), 64 km (40 miles) from Wellington (c. 8 200 pop), 35 km (22 miles) from Blackwell (c. 7 100 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Arkansas City, Wellington, Perry. Close country/countries, United States (c. 310 233 000 pop) (That might be effected).

In the past 24 hours, there have been one, in the last 10 days eighteen, in the past 30 days fourty-five and in the last 365 days six hundred and sixty earthquakes of magnitude 3.0 or greater that was reported nearby. Every year there are an estimated 1,300,000 minor earthquakes in the world. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 9 km SE of Medford, Oklahoma. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -97.665° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.7361° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 3.79 km Depth of the event in kilometers.
Place 9km 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 2016-02-17 07:19:21 Time when the event occurred. UTC/GMT
Updated 2016-02-17 07:40:36 Time when the event was most recently updated. UTC/GMT
Timezone offset -360 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 0.194 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.2 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 58 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 us200050tb Id of event.
Event Code 200050tb An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us200050tb, A comma-separated list of event ids that are associated to an event.

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