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Minor earthquake, 2.8 mag has occurred near Medford in Oklahoma


Earthquake location 36.9445S, -97.8181WA minor earthquake magnitude 2.8 (ml/mb) strikes 17 kilometers (11 miles) from Medford in Oklahoma on Tuesday. All ids that are associated to the event: us10003x3y. Unique identifier: us10003x3y. Exact location, longitude -97.8181° West, latitude 36.9445° North, depth = 1.465 km. The epicenter was at a depth of 1.465 km (1 miles). The 2.8-magnitude earthquake has occurred at 13:27:32 / 1:27 pm (local time epicenter). Exact time and date of earthquake 10/11/15 / 2015-11-10 19:27:32 / November 10, 2015 @ 7:27 pm UTC/GMT.

Epicenter of the earthquake was 61 km (38 miles) from Enid (c. 49 400 pop), 70 km (44 miles) from Ponca City (c. 25 400 pop), 70 km (44 miles) from Arkansas City (c. 12 400 pop), 53 km (33 miles) from Wellington (c. 8 200 pop), 50 km (31 miles) from Blackwell (c. 7 100 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Ponca City, Arkansas City, Enid. Close country/countries that might be effected, United States (c. 310 233 000 pop).

Each year there are an estimated 1,300,000 minor earthquakes in the world. In the past 24 hours, there have been six, in the last 10 days nineteen, in the past 30 days fifty and in the last 365 days five hundred and eighty-two earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 17 km NNW 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 -97.8181° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.9445° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 1.465 km Depth of the event in kilometers.
Place 17km NNW 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 2015-11-10 19:27:32 Time when the event occurred. UTC/GMT
Updated 2015-11-10 21:20:20 Time when the event was most recently updated. UTC/GMT
Timezone offset -360 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 2 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.78 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 51 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 us10003x3y Id of event.
Event Code 10003x3y An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10003x3y, A comma-separated list of event ids that are associated to an event.

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