Minor earthquake, 2.8 mag has occurred near Chickasha in Oklahoma

A minor earthquake with magnitude 2.8 (ml/mb) was reported 11 kilometers (7 miles) from Chickasha in Oklahoma on Friday. The temblor was detected at 22:31:33 / 10:31 pm (local time epicenter). Exact location, longitude -97.8118° West, latitude 35.0206° North, depth = 5 km. The earthquake was roughly at a depth of 5 km (3 miles). Event ids that are associated to the earthquake: us2000abzc. Id of event: us2000abzc. Exact time and date of event in UTC/GMT: 26/08/17 / 2017-08-26 04:31:33 / August 26, 2017 @ 4:31 am.

Country/countries that might be effected, United States (c. 310 233 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Edmond, Choctaw, Lawton. Event epicenter was 56 km (35 miles) from Oklahoma City (c. 580 000 pop), 41 km (25 miles) from Norman (c. 110 900 pop), 70 km (43 miles) from Lawton (c. 96 900 pop), 77 km (48 miles) from Edmond (c. 81 400 pop), 46 km (29 miles) from Moore (c. 55 100 pop).

In the past 24 hours, there have been 0, in the last 10 days one, in the past 30 days eight and in the last 365 days thirty-three earthquakes of magnitude 3.0 or greater that has occurred nearby. Each year there are an estimated 1,300,000 minor quakes in the world. Earthquakes 2.5 to 2.9 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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 11 km ESE of Chickasha, Oklahoma. This data comes from the USGS Earthquake Notification Service.

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Parameter	Value	Description
Magnitude	2.8 mb	The magnitude for the event.
Longitude	-97.8118° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	35.0206° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	5 km	Depth of the event in kilometers.
Place	11km ESE of Chickasha, Oklahoma	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2017-08-26 04:31:33	Time when the event occurred. UTC/GMT
Updated	2017-08-26 04:40:57	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	121	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	0.292	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.8 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	98	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	us2000abzc	Id of event.
Event Code	2000abzc	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us2000abzc,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 2.8 mag has occurred near Chickasha in Oklahoma

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