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Minor earthquake: M2.8 quake has struck near Union City in Oklahoma

Earthquake location 35.3737S, -98.0914WA minor earthquake magnitude 2.8 (ml/mb) strikes 13 kilometers (8 miles) from Union City in Oklahoma on Thursday. Date and time of earthquake in UTC/GMT: 26/04/18 / 2018-04-26 11:25:48 / April 26, 2018 @ 11:25 am. The earthquake occurred at a depth of 12.42 km (8 miles) below the earth’s surface. The 2.8-magnitude earthquake has occurred at 05:25:48 / 5:25 am (local time epicenter). Exact location of earthquake, longitude -98.0914 West, latitude 35.3737 North, depth = 12.42 km. Event id: us1000dsmj. Ids that are associated to the earthquake: us1000dsmj.

Earthquake epicenter was 53 km (33 miles) from Oklahoma City (c. 580 000 pop), 62 km (38 miles) from Norman (c. 110 900 pop), 64 km (40 miles) from Edmond (c. 81 400 pop), 55 km (34 miles) from Moore (c. 55 100 pop), 64 km (39 miles) from Midwest City (c. 54 400 pop). Closest city/cities/towns to epicentrum/hypocenter was Choctaw, Noble, Edmond (min 5000 pop). Close country/countries, United States (c. 310 233 000 pop) (That might be effected).

There are an estimated 1,300,000 minor quakes in the world each year. In the past 24 hours, there have been 0, in the last 10 days two, in the past 30 days six and in the last 365 days seventy-three earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

How would you describe the shaking?

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 13 km W of Union City, 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 -98.0914° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 35.3737° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 12.42 km Depth of the event in kilometers.
Place 13km W of Union City, Oklahoma Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-04-26 11:25:48 Time when the event occurred. UTC/GMT
Updated 2018-04-26 12:33:12 Time when the event was most recently updated. UTC/GMT
Timezone offset -360 Timezone offset from UTC in minutes at the event epicenter.
Felt 4 The total number of felt reports
CDI 4.7 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 122 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 0.156 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.39 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 mb_lg The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us1000dsmj Id of event.
Event Code 1000dsmj An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000dsmj, A comma-separated list of event ids that are associated to an event.

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