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Minor earthquake, 2.8 mag strikes near Medford in Oklahoma



Earthquake location 36.7669S, -97.7242WA minor earthquake magnitude 2.8 (ml/mb) has occurred on Monday, 4 kilometers (2 miles) from Medford in Oklahoma. The earthquake occurred at a depth of 5.11 km (3 miles). Exact time and date of earthquake 30/01/17 / 2017-01-30 16:55:33 / January 30, 2017 @ 4:55 pm UTC/GMT. The 2.8-magnitude earthquake was detected at 10:55:33 / 10:55 am (local time epicenter). Id of earthquake: us10007w6u. Event ids that are associated: us10007w6u. Exact location of event, longitude -97.7242 West, latitude 36.7669 North, depth = 5.11 km.

Closest city/cities/towns to epicentrum/hypocenter was Arkansas City, Perry, Wellington (min 5000 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop). Event epicenter was 44 km (27 miles) from Enid (c. 49 400 pop), 57 km (36 miles) from Ponca City (c. 25 400 pop), 69 km (43 miles) from Arkansas City (c. 12 400 pop), 64 km (40 miles) from Wellington (c. 8 200 pop), 40 km (25 miles) from Blackwell (c. 7 100 pop).

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. In the past 24 hours, there have been 0, in the last 10 days three, in the past 30 days thirteen and in the last 365 days three hundred and four earthquakes of magnitude 3.0 or greater that have been detected nearby.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 4 km S of Medford, Oklahoma.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -97.7242° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.7669° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 5.11 km Depth of the event in kilometers.
Place 4km 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 2017-01-30 16:55:33 Time when the event occurred. UTC/GMT
Updated 2017-01-30 17:05:32 Time when the event was most recently updated. UTC/GMT
Timezone offset -360 Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI 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 0.137 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.18 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 42 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 us10007w6u Id of event.
Event Code 10007w6u An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10007w6u, A comma-separated list of event ids that are associated to an event.

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