Minor earthquake, 3.9 mag was detected near Cherokee in Oklahoma

A minor earthquake with magnitude 3.9 (ml/mb) was reported 12 kilometers (7 miles) from Cherokee in Oklahoma on Wednesday. The 3.9-magnitude earthquake has occurred at 19:47:13 / 7:47 pm (local time epicenter). Exact time and date of event in UTC/GMT: 20/08/15 / 2015-08-20 00:47:13 / August 20, 2015 @ 12:47 am. Event id: us100033jm. Ids that are associated to the earthquake: us100033jm. The epicenter of the earthquake was roughly 2.92 km (2 miles) below the earth’s surface. Exact location, longitude -98.2284° West, latitude 36.8046° North, depth = 2.92 km.

The epicenter was 55 km (34 miles) from Enid (c. 49 400 pop), 84 km (52 miles) from Blackwell (c. 7 100 pop). Closest city/cities/towns to epicentrum/hypocenter was Blackwell, Enid (min 5000 pop). Country/countries that might be effected, United States (c. 310 233 000 pop).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been two, in the last 10 days eleven, in the past 30 days fourty-eight and in the last 365 days five hundred and fourty-four earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 130,000 minor earthquakes in the world.

How would you describe the shaking?

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. 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: 12 km ENE of Cherokee, Oklahoma.

More information

Parameter	Value	Description
Magnitude	3.9 mb	The magnitude for the event.
Longitude	-98.2284° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	36.8046° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	2.92 km	Depth of the event in kilometers.
Place	12km ENE of Cherokee, Oklahoma	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2015-08-20 00:47:13	Time when the event occurred. UTC/GMT
Updated	2015-08-20 00:59:59	Time when the event was most recently updated. UTC/GMT
Timezone offset	-300	Timezone offset from UTC in minutes at the event epicenter.
Felt	13	The total number of felt reports
CDI	3.1	The maximum reported intensity for the event.
MMI	4.64	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	238	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	0.014	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.58 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	93	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	us100033jm	Id of event.
Event Code	100033jm	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us100033jm,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.9 mag was detected near Cherokee in Oklahoma

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