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Minor earthquake, 2.8 mag strikes near Medford in Oklahoma


Earthquake location 36.8821S, -97.8014WA minor earthquake magnitude 2.8 (ml/mb) has occurred on Friday, 10 kilometers (6 miles) from Medford in Oklahoma. The 2.8-magnitude earthquake has occurred at 17:25:47 / 5:25 pm (local time epicenter). The epicenter was at a depth of 4.725 km (3 miles). All ids that are associated to the event: us20005cim. Unique identifier: us20005cim. Exact location, longitude -97.8014° West, latitude 36.8821° North, depth = 4.725 km. Global time and date of event 25/03/16 / 2016-03-25 22:25:47 / March 25, 2016 @ 10:25 pm UTC/GMT.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Arkansas City, Ponca City, Wellington. Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Event epicenter was 55 km (34 miles) from Enid (c. 49 400 pop), 67 km (41 miles) from Ponca City (c. 25 400 pop), 71 km (44 miles) from Arkansas City (c. 12 400 pop), 57 km (36 miles) from Wellington (c. 8 200 pop), 47 km (29 miles) from Blackwell (c. 7 100 pop).

There are an estimated 1,300,000 minor quakes in the world each year. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been eight, in the last 10 days thirteen, in the past 30 days thirty-two and in the last 365 days five hundred and fourty-six earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 10 km NW 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 -97.8014° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.8821° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 4.725 km Depth of the event in kilometers.
Place 10km NW 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 2016-03-25 22:25:47 Time when the event occurred. UTC/GMT
Updated 2016-04-03 23:11:27 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 3.4 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 0.54 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 us20005cim Id of event.
Event Code 20005cim An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20005cim, A comma-separated list of event ids that are associated to an event.

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