Minor earthquake, 2.9 mag strikes near Buffalo in Oklahoma

A minor earthquake magnitude 2.9 (ml/mb) has occurred on Friday, 24 kilometers (15 miles) from Buffalo in Oklahoma. Exact time and date of event in UTC/GMT: 21/07/17 / 2017-07-21 11:58:59 / July 21, 2017 @ 11:58 am. The earthquake was roughly at a depth of 5 km (3 miles). The temblor was picked up at 05:58:59 / 5:58 am (local time epicenter). Exact location of earthquake, -99.4228° West, 36.9793° North, depth 5 km. Event id: us20009yxs. Ids that are associated to the earthquake: us20009yxs.

Close country/countries that might be effected, United States (c. 310 233 000 pop). The epicenter was 61 km (38 miles) from Woodward (c. 12 100 pop). Nearest cities/city/towns to hypocenter/epicentrum was Woodward (min 5000 pop).

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

How would you describe the shaking?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 24 km NE of Buffalo, Oklahoma.

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Parameter	Value	Description
Magnitude	2.9 mb	The magnitude for the event.
Longitude	-99.4228° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	36.9793° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	5 km	Depth of the event in kilometers.
Place	24km NE of Buffalo, Oklahoma	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2017-07-21 11:58:59	Time when the event occurred. UTC/GMT
Updated	2017-07-21 12:36:23	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	0.523	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.17 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	173	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	us20009yxs	Id of event.
Event Code	20009yxs	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us20009yxs,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 2.9 mag strikes near Buffalo in Oklahoma

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