Minor earthquake: M2.8 quake has struck near Medford in Oklahoma

A minor earthquake magnitude 2.8 (ml/mb) has occurred on Thursday, 13 kilometers (8 miles) from Medford in Oklahoma. The earthquake was roughly at a depth of 7.17 km (4 miles). The 2.8-magnitude earthquake was detected at 05:32:37 / 5:32 am (local time epicenter). Date and time of earthquake in UTC/GMT: 13/04/17 / 2017-04-13 11:32:37 / April 13, 2017 @ 11:32 am. Exact location, longitude -97.6766° West, latitude 36.6912° North, depth = 7.17 km. Unique identifier: us10008h8c. Ids that are associated to the event: us10008h8c.

Epicenter of the earthquake was 37 km (23 miles) from Enid (c. 49 400 pop), 53 km (33 miles) from Ponca City (c. 25 400 pop), 70 km (44 miles) from Arkansas City (c. 12 400 pop), 69 km (43 miles) from Wellington (c. 8 200 pop), 37 km (23 miles) from Blackwell (c. 7 100 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Arkansas City, Wellington, Perry. Country/countries that might be effected, United States (c. 310 233 000 pop).

There are an estimated 1,300,000 minor quakes in the world each year. In the past 24 hours, there have been one, in the last 10 days five, in the past 30 days thirteen and in the last 365 days two hundred and sixty-eight earthquakes of magnitude 3.0 or greater that have been detected nearby. 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: 13 km SSE of Medford, Oklahoma. This data comes from the USGS Earthquake Notification Service.

More information

Parameter	Value	Description
Magnitude	2.8 mb	The magnitude for the event.
Longitude	-97.6766° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	36.6912° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	7.17 km	Depth of the event in kilometers.
Place	13km SSE of Medford, Oklahoma	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2017-04-13 11:32:37	Time when the event occurred. UTC/GMT
Updated	2017-04-13 11:47:16	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	0.217	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.27 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	50	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	us10008h8c	Id of event.
Event Code	10008h8c	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us10008h8c,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M2.8 quake has struck near Medford in Oklahoma

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