Minor earthquake: M3.3 quake has struck near Hennessey in Oklahoma

A minor earthquake magnitude 3.3 (ml/mb) has struck on Sunday, 20 kilometers (12 miles) from Hennessey in Oklahoma. The temblor was detected at 13:09:31 / 1:09 pm (local time epicenter). Exact location of event, longitude -97.6729 West, latitude 36.1496 North, depth = 3.09 km. All ids that are associated to the event: us1000bykk. Unique identifier: us1000bykk. Exact time and date of earthquake 31/12/17 / 2017-12-31 19:09:31 / December 31, 2017 @ 7:09 pm UTC/GMT. The earthquake was roughly at a depth of 3.09 km (2 miles).

Nearest cities/city/towns to hypocenter/epicentrum was Midwest City, Del City, Choctaw (min 5000 pop). The epicenter was 77 km (48 miles) from Oklahoma City (c. 580 000 pop), 58 km (36 miles) from Edmond (c. 81 400 pop), 82 km (51 miles) from Midwest City (c. 54 400 pop), 33 km (20 miles) from Enid (c. 49 400 pop), 55 km (34 miles) from Stillwater (c. 45 700 pop). Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected).

In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days fourteen and in the last 365 days one hundred and seventy-five earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor earthquakes in the world.

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 20 km ENE of Hennessey, Oklahoma. This data comes from the USGS Earthquake Notification Service.

More information

Parameter	Value	Description
Magnitude	3.3 mb	The magnitude for the event.
Longitude	-97.6729° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	36.1496° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	3.09 km	Depth of the event in kilometers.
Place	20km ENE 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	2017-12-31 19:09:31	Time when the event occurred. UTC/GMT
Updated	2017-12-31 19:24:27	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	168	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	0.025	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.13 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	34	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	us1000bykk	Id of event.
Event Code	1000bykk	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us1000bykk,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.3 quake has struck near Hennessey in Oklahoma

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