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Minor earthquake, 2.8 mag has occurred near Medford in Oklahoma

Earthquake location 36.821S, -98.0175WA minor earthquake with magnitude 2.8 (ml/mb) was reported 25 kilometers (16 miles) from Medford in Oklahoma on Saturday. The earthquake occurred at a depth of 6.216 km (4 miles). Exact location of earthquake, longitude -98.0175 West, latitude 36.821 North, depth = 6.216 km. Unique identifier: us20003jbj. Ids that are associated to the event: us20003jbj. The 2.8-magnitude earthquake has occurred at 14:10:25 / 2:10 pm (local time epicenter). Exact time and date of earthquake 12/09/15 / 2015-09-12 19:10:25 / September 12, 2015 @ 7:10 pm UTC/GMT.

Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Epicenter of the earthquake was 49 km (30 miles) from Enid (c. 49 400 pop), 76 km (47 miles) from Wellington (c. 8 200 pop), 65 km (41 miles) from Blackwell (c. 7 100 pop). Nearest cities/city/towns to hypocenter/epicentrum was Wellington, Blackwell, Enid (min 5000 pop).

Each 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. In the past 24 hours, there have been thirty-seven, in the last 10 days fourty-two, in the past 30 days sixty-nine and in the last 365 days six hundred and seven earthquakes of magnitude 3.0 or greater that have been detected in the same area.

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 25 km W of Medford, Oklahoma. This data 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 -98.0175° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.821° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 6.216 km Depth of the event in kilometers.
Place 25km W 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 2015-09-12 19:10:25 Time when the event occurred. UTC/GMT
Updated 2015-10-11 04:27:11 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 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 0.41 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 62 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 us20003jbj Id of event.
Event Code 20003jbj An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003jbj, A comma-separated list of event ids that are associated to an event.

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