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Minor earthquake, 2.9 mag strikes near Hennessey in Oklahoma

Earthquake location 36.0353S, -97.8984WA minor earthquake with magnitude 2.9 (ml/mb) was reported 8 kilometers (5 miles) from Hennessey in Oklahoma on Thursday. Id of earthquake: us2000cyuj. Event ids that are associated: us2000cyuj. Exact location of earthquake, longitude -97.8984 West, latitude 36.0353 North, depth = 4.47 km. The temblor was detected at 07:20:32 / 7:20 am (local time epicenter). Global date and time of event UTC/GMT: 08/02/18 / 2018-02-08 13:20:32 / February 8, 2018 @ 1:20 pm. The earthquake occurred at a depth of 4.47 km (3 miles).

Nearest cities/city/towns to hypocenter/epicentrum was Stillwater, Mustang, Oklahoma City (min 5000 pop). Epicenter of the earthquake was 72 km (45 miles) from Oklahoma City (c. 580 000 pop), 57 km (35 miles) from Edmond (c. 81 400 pop), 40 km (25 miles) from Enid (c. 49 400 pop), 76 km (47 miles) from Stillwater (c. 45 700 pop), 60 km (37 miles) from Yukon (c. 22 700 pop). Country/countries that might be effected, United States (c. 310 233 000 pop).

There are an estimated 1,300,000 minor earthquakes in the world each year. 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 three, in the past 30 days six and in the last 365 days one hundred and sixty-six earthquakes of magnitude 3.0 or greater that have been detected nearby.

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage 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: 8 km S of Hennessey, 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 -97.8984° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.0353° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 4.47 km Depth of the event in kilometers.
Place 8km S of Hennessey, Oklahoma Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-02-08 13:20:32 Time when the event occurred. UTC/GMT
Updated 2018-02-08 13:40:23 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 0.352 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.22 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 mb_lg The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us2000cyuj Id of event.
Event Code 2000cyuj An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000cyuj, A comma-separated list of event ids that are associated to an event.

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