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Minor earthquake 2.8 mag, 6 km NE of Choctaw, Oklahoma


Earthquake location 35.5438S, -97.2252WA minor earthquake with magnitude 2.8 (ml/mb) was detected on Sunday, 6 kilometers (4 miles) from Choctaw in Oklahoma. The epicenter was at a depth of 6.189 km (4 miles). The 2.8-magnitude earthquake was detected at 07:24:23 / 7:24 am (local time epicenter). Exact location of event, longitude -97.2252 West, latitude 35.5438 North, depth = 6.189 km. Global date and time of event UTC/GMT: 05/07/15 / 2015-07-05 12:24:23 / July 5, 2015 @ 12:24 pm. All ids that are associated to the event: us10002npk. Unique identifier: us10002npk.

The epicenter was 28 km (17 miles) from Oklahoma City (c. 580 000 pop), 41 km (25 miles) from Norman (c. 110 900 pop), 26 km (16 miles) from Edmond (c. 81 400 pop), 33 km (20 miles) from Moore (c. 55 100 pop), 19 km (12 miles) from Midwest City (c. 54 400 pop). Closest city/cities/towns to epicentrum/hypocenter was El Reno, Stillwater, Cushing (min 5000 pop). Close 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 eleven, in the last 10 days twenty-seven, in the past 30 days seventy-two and in the last 365 days four hundred and fourteen earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

Questions or comments?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 6 km NE of Choctaw, Oklahoma. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -97.2252° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 35.5438° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 6.189 km Depth of the event in kilometers.
Place 6km NE of Choctaw, Oklahoma Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-07-05 12:24:23 Time when the event occurred. UTC/GMT
Updated 2015-07-18 06:43:22 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.55 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 124 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us10002npk Id of event.
Event Code 10002npk An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10002npk, A comma-separated list of event ids that are associated to an event.

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