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Minor earthquake 2.9 mag, 13 km W of Union City, Oklahoma

Earthquake location 35.4031S, -98.0929WA minor earthquake magnitude 2.9 (ml/mb) has struck on Saturday, 13 kilometers (8 miles) from Union City in Oklahoma. The 2.9-magnitude earthquake was detected at 00:28:14 / 12:28 am (local time epicenter). Exact location of earthquake, longitude -98.0929 West, latitude 35.4031 North, depth = 5 km. All ids that are associated to the event: us2000fs0u. Unique identifier: us2000fs0u. Exact time and date of event in UTC/GMT: 30/06/18 / 2018-06-30 06:28:14 / June 30, 2018 @ 6:28 am. The earthquake was roughly at a depth of 5 km (3 miles).

Event epicenter was 53 km (33 miles) from Oklahoma City (c. 580 000 pop), 63 km (39 miles) from Norman (c. 110 900 pop), 62 km (39 miles) from Edmond (c. 81 400 pop), 55 km (34 miles) from Moore (c. 55 100 pop), 63 km (39 miles) from Midwest City (c. 54 400 pop). Closest city/cities/towns to epicentrum/hypocenter was Choctaw, Noble, Midwest City (min 5000 pop). Country/countries that might be effected, United States (c. 310 233 000 pop).

Every year there are an estimated 1,300,000 minor earthquakes in the world. Earthquakes 2.5 to 3.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days five and in the last 365 days ninety earthquakes of magnitude 3.0 or greater that was reported nearby.

How would you describe the shaking?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 13 km W of Union City, Oklahoma.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -98.0929° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 35.4031° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 5 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 2018-06-30 06:28:14 Time when the event occurred. UTC/GMT
Updated 2018-06-30 06:38:50 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 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 0.185 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.31 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 76 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 us2000fs0u Id of event.
Event Code 2000fs0u An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000fs0u, A comma-separated list of event ids that are associated to an event.

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