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Minor earthquake: M2.87 quake has struck near Perry in Oklahoma


Earthquake location 36.36843109S, -97.34773254WA minor earthquake with magnitude 2.87 (ml/mb) was reported 10 kilometers (6 miles) from Perry in Oklahoma on Friday. The temblor was picked up at 12:25:34 / 12:25 pm (local time epicenter). Event id: ok2020uiyz. Ids that are associated to the earthquake: ok2020uiyz. Global time and date of event 16/10/20 / 2020-10-16 12:25:34 / October 16, 2020 @ 12:25 pm UTC/GMT. Exact location of earthquake, longitude -97.34773254 West, latitude 36.36843109 North, depth = 3.567566633 km. The epicenter of the earthquake was roughly 3.567566633 km (2 miles) below the earth’s surface.

Event epicenter was 48 km (30 miles) from Enid (c. 49 400 pop), 38 km (24 miles) from Stillwater (c. 45 700 pop), 44 km (28 miles) from Ponca City (c. 25 400 pop), 55 km (34 miles) from Guthrie (c. 10 200 pop), 67 km (42 miles) from Cushing (c. 7 800 pop). Closest city/cities/towns to epicentrum/hypocenter was Cushing, Guthrie, Blackwell (min 5000 pop). Nearby country/countries that might be effected, United States (c. 310 233 000 pop).

In the past 24 hours, there have been 0, in the last 10 days 0, in the past 30 days two and in the last 365 days fourty-eight earthquakes of magnitude 3.0 or greater that have been detected in the same area. 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.

Did you feel anything?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 10 km NNW of Perry, Oklahoma.

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More information

Parameter Value Description
Magnitude 2.87 mb The magnitude for the event.
Longitude -97.34773254° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.36843109° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 3.567566633 km Depth of the event in kilometers.
Place 10 km NNW of Perry, Oklahoma Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-10-16 12:25:34 Time when the event occurred. UTC/GMT
Updated 2020-10-16 12:27:05 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 automatic 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 127 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network ok The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,ok, A comma-separated list of network contributors.
Number of Stations Used 73 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.141389966 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.444134685 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 36.24729156 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 ok2020uiyz Id of event.
Event Code 2020uiyz An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ok2020uiyz, A comma-separated list of event ids that are associated to an event.

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