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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.1 mag has occurred near Medford in Oklahoma

Earthquake location 36.9344S, -97.9058WA minor earthquake with magnitude 3.1 (ml/mb) was detected on Tuesday, 20 kilometers (12 miles) from Medford in Oklahoma. The 3.1-magnitude earthquake was detected at 13:40:07 / 1:40 pm (local time epicenter). Unique identifier: us10006r60. Ids that are associated to the event: us10006r60. Exact time and date of earthquake 20/09/16 / 2016-09-20 18:40:07 / September 20, 2016 @ 6:40 pm UTC/GMT. Exact location of event, depth 5.562 km, -97.9058° West, 36.9344° North. The earthquake occurred at a depth of 5.562 km (3 miles).

Event epicenter was 60 km (37 miles) from Enid (c. 49 400 pop), 77 km (48 miles) from Ponca City (c. 25 400 pop), 78 km (49 miles) from Arkansas City (c. 12 400 pop), 60 km (37 miles) from Wellington (c. 8 200 pop), 57 km (36 miles) from Blackwell (c. 7 100 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Arkansas City, Ponca City, Enid (min 5000 pop).

In the past 24 hours, there have been three, in the last 10 days thirteen, in the past 30 days thirty-eight and in the last 365 days four hundred and two earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. There are an estimated 130,000 minor quakes in the world each year.

Did you feel it?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 20 km NW of Medford, Oklahoma.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -97.9058° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.9344° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 5.562 km Depth of the event in kilometers.
Place 20km 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 2016-09-20 18:40:07 Time when the event occurred. UTC/GMT
Updated 2016-09-20 21:23:56 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 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 148 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 0.15 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 45 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 us10006r60 Id of event.
Event Code 10006r60 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10006r60, A comma-separated list of event ids that are associated to an event.

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