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


Earthquake location 36.0765S, -97.4368WA minor earthquake with magnitude 2.8 (ml/mb) was reported 19 kilometers (12 miles) from Crescent in Oklahoma on Friday. The epicenter of the earthquake was roughly 5 km (3 miles) below the earth’s surface. All ids that are associated to the event: us10002ncz. Unique identifier: us10002ncz. Global date and time of event UTC/GMT: 04/07/15 / 2015-07-04 01:58:58 / July 4, 2015 @ 1:58 am. Exact location of event, longitude -97.4368 West, latitude 36.0765 North, depth = 5 km. The temblor was reported at 20:58:58 / 8:58 pm (local time epicenter).

Country/countries that might be effected, United States (c. 310 233 000 pop). The epicenter was 68 km (42 miles) from Oklahoma City (c. 580 000 pop), 47 km (29 miles) from Edmond (c. 81 400 pop), 70 km (43 miles) from Midwest City (c. 54 400 pop), 53 km (33 miles) from Enid (c. 49 400 pop), 34 km (21 miles) from Stillwater (c. 45 700 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Ponca City, El Reno, Del City.

There are an estimated 1,300,000 minor earthquakes in the world each year. In the past 24 hours, there have been three, in the last 10 days twenty-four, in the past 30 days seventy-two and in the last 365 days six hundred and fifty-seven 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.

Did you feel the quake?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 19 km NE of Crescent, Oklahoma. This information 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 -97.4368° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.0765° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 5 km Depth of the event in kilometers.
Place 19km NE of Crescent, Oklahoma Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-07-04 01:58:58 Time when the event occurred. UTC/GMT
Updated 2015-07-04 02:14:54 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 2 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 0.279 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.85 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 32 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 us10002ncz Id of event.
Event Code 10002ncz An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10002ncz, A comma-separated list of event ids that are associated to an event.

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