Minor earthquake, 3.4 mag strikes near Langston in Oklahoma

A minor earthquake magnitude 3.4 (ml/mb) has occurred on Wednesday, 8 kilometers (5 miles) from Langston in Oklahoma. Exact location of earthquake, longitude -97.3138 West, latitude 35.8832 North, depth = 10 km. The temblor was picked up at 22:22:24 / 10:22 pm (local time epicenter). The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. Event ids that are associated to the earthquake: us1000bu65. Id of event: us1000bu65. Date and time of earthquake in UTC/GMT: 21/12/17 / 2017-12-21 04:22:24 / December 21, 2017 @ 4:22 am.

Country/countries that might be effected, United States (c. 310 233 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Noble, Tuttle, Tecumseh (min 5000 pop). Epicenter of the event was 50 km (31 miles) from Oklahoma City (c. 580 000 pop), 74 km (46 miles) from Norman (c. 110 900 pop), 30 km (18 miles) from Edmond (c. 81 400 pop), 62 km (39 miles) from Moore (c. 55 100 pop), 49 km (30 miles) from Midwest City (c. 54 400 pop).

Each year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been two, in the last 10 days five, in the past 30 days nine and in the last 365 days one hundred and twenty-six 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.

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 8 km SW of Langston, Oklahoma. This information comes from the USGS Earthquake Notification Service.

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Parameter	Value	Description
Magnitude	3.4 mb	The magnitude for the event.
Longitude	-97.3138° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	35.8832° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	8km SW of Langston, Oklahoma	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2017-12-21 04:22:24	Time when the event occurred. UTC/GMT
Updated	2017-12-21 04:40:30	Time when the event was most recently updated. UTC/GMT
Timezone offset	-360	Timezone offset from UTC in minutes at the event epicenter.
Felt	7	The total number of felt reports
CDI	4.3	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	181	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	0.155	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.36 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	72	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	us1000bu65	Id of event.
Event Code	1000bu65	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us1000bu65,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.4 mag strikes near Langston in Oklahoma

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