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Minor earthquake, 2.8 mag strikes near Cherokee in Oklahoma


Earthquake location 36.7493S, -98.089WA minor earthquake with magnitude 2.8 (ml/mb) was detected on Wednesday, 23 kilometers (14 miles) from Cherokee in Oklahoma. Exact time and date of event in UTC/GMT: 22/11/17 / 2017-11-22 19:25:50 / November 22, 2017 @ 7:25 pm. Exact location of earthquake, -98.089° West, 36.7493° North, depth 7.363 km. The epicenter was at a depth of 7.363 km (5 miles). The temblor was detected at 13:25:50 / 1:25 pm (local time epicenter). Unique identifier: us2000bt4b. Ids that are associated to the event: us2000bt4b.

Event epicenter was 44 km (27 miles) from Enid (c. 49 400 pop), 72 km (45 miles) from Blackwell (c. 7 100 pop). Country/countries that might be effected, United States (c. 310 233 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Blackwell, Enid (min 5000 pop).

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. In the past 24 hours, there have been six, in the last 10 days ten, in the past 30 days twenty-one and in the last 365 days one hundred and sixty earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel the quake?

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: 23 km E of Cherokee, 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 -98.089° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.7493° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 7.363 km Depth of the event in kilometers.
Place 23km E of Cherokee, Oklahoma Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-11-22 19:25:50 Time when the event occurred. UTC/GMT
Updated 2017-12-18 23:34:21 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.24 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 45 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 us2000bt4b Id of event.
Event Code 2000bt4b An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000bt4b, A comma-separated list of event ids that are associated to an event.

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