Minor earthquake, 3.3 mag strikes near Medford in Oklahoma

A minor earthquake with magnitude 3.3 (ml/mb) was detected on Thursday, 7 kilometers (4 miles) from Medford in Oklahoma. The earthquake occurred at a depth of 5.3 km (3 miles) below the earth’s surface. The 3.3-magnitude earthquake was detected at 17:12:39 / 5:12 pm (local time epicenter). Exact time and date of earthquake 31/12/15 / 2015-12-31 23:12:39 / December 31, 2015 @ 11:12 pm UTC/GMT. Event id: us10004an4. Ids that are associated to the earthquake: us10004an4. Exact location of event, depth 5.3 km, -97.7866° West, 36.7583° North.

Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Event epicenter was 41 km (26 miles) from Enid (c. 49 400 pop), 63 km (39 miles) from Ponca City (c. 25 400 pop), 75 km (46 miles) from Arkansas City (c. 12 400 pop), 67 km (42 miles) from Wellington (c. 8 200 pop), 45 km (28 miles) from Blackwell (c. 7 100 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Arkansas City, Perry, Wellington.

In the past 24 hours, there have been thirty-nine, in the last 10 days fifty-one, in the past 30 days seventy-one and in the last 365 days six hundred and eighty-nine earthquakes of magnitude 3.0 or greater that has occurred nearby. 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.

How would you describe the shaking?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 7 km SW of Medford, Oklahoma. This data comes from the USGS Earthquake Notification Service.

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Parameter	Value	Description
Magnitude	3.3 mb	The magnitude for the event.
Longitude	-97.7866° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	36.7583° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	5.3 km	Depth of the event in kilometers.
Place	7km SW 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	2015-12-31 23:12:39	Time when the event occurred. UTC/GMT
Updated	2016-01-16 03:33:07	Time when the event was most recently updated. UTC/GMT
Timezone offset	-360	Timezone offset from UTC in minutes at the event epicenter.
Felt	1	The total number of felt reports
CDI	3.4	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	0.058	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.2 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	42	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	us10004an4	Id of event.
Event Code	10004an4	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us10004an4,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.3 mag strikes near Medford in Oklahoma

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