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Minor earthquake, 2.9 mag has occurred near Medford in Oklahoma


Earthquake location 36.5825S, -97.6875WA minor earthquake magnitude 2.9 (ml/mb) has struck on Wednesday, 25 kilometers (16 miles) from Medford in Oklahoma. The 2.9-magnitude earthquake has occurred at 05:48:27 / 5:48 am (local time epicenter). Exact location of event, depth 4.78 km, -97.6875° West, 36.5825° North. Exact time and date of earthquake 22/07/15 / 2015-07-22 10:48:27 / July 22, 2015 @ 10:48 am UTC/GMT. The earthquake was roughly at a depth of 4.78 km (3 miles). Unique identifier: us20002z6i. Ids that are associated to the event: us20002z6i.

Close country/countries, United States (c. 310 233 000 pop) (That might be effected). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Stillwater, Ponca City, Perry. The epicenter was 27 km (17 miles) from Enid (c. 49 400 pop), 77 km (48 miles) from Stillwater (c. 45 700 pop), 55 km (34 miles) from Ponca City (c. 25 400 pop), 44 km (27 miles) from Blackwell (c. 7 100 pop), 48 km (30 miles) from Perry (c. 5 100 pop).

Earthquakes 2.5 to 3.0 are often felt, but only causes minor damage. There are an estimated 1,300,000 minor earthquakes in the world each year. In the past 24 hours, there have been four, in the last 10 days eighteen, in the past 30 days fifty-nine and in the last 365 days seven hundred and fourty earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel the quake?

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: 25 km S of Medford, Oklahoma. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -97.6875° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.5825° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 4.78 km Depth of the event in kilometers.
Place 25km S 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 2015-07-22 10:48:27 Time when the event occurred. UTC/GMT
Updated 2015-07-22 10:58:45 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 0.25 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.28 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 47 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 us20002z6i Id of event.
Event Code 20002z6i An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20002z6i, A comma-separated list of event ids that are associated to an event.

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