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Minor earthquake, 2.8 mag strikes near Perry in Oklahoma


Earthquake location 36.2851S, -97.506WA minor earthquake magnitude 2.8 (ml/mb) strikes 19 kilometers (12 miles) from Perry in Oklahoma on Friday. Id of earthquake: us1000axgi. Event ids that are associated: us1000axgi. Global date and time of event UTC/GMT: 27/10/17 / 2017-10-27 10:00:07 / October 27, 2017 @ 10:00 am. Exact location of earthquake, -97.506° West, 36.2851° North, depth 5 km. The earthquake was roughly at a depth of 5 km (3 miles). The temblor was picked up at 04:00:07 / 4:00 am (local time epicenter).

Earthquake epicenter was 70 km (44 miles) from Edmond (c. 81 400 pop), 36 km (22 miles) from Enid (c. 49 400 pop), 44 km (28 miles) from Stillwater (c. 45 700 pop), 60 km (37 miles) from Ponca City (c. 25 400 pop), 46 km (28 miles) from Guthrie (c. 10 200 pop). Nearest cities/city/towns to hypocenter/epicentrum was Piedmont, Cushing, Edmond (min 5000 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop).

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been 0, in the last 10 days two, in the past 30 days seven and in the last 365 days one hundred and eighty-four earthquakes of magnitude 3.0 or greater that have been detected nearby. Each year there are an estimated 1,300,000 minor quakes in the world.

Did you feel it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city 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: 19 km W of Perry, Oklahoma.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -97.506° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.2851° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 5 km Depth of the event in kilometers.
Place 19km W 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 2017-10-27 10:00:07 Time when the event occurred. UTC/GMT
Updated 2017-10-27 12:23:59 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 0.216 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.19 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 25 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 us1000axgi Id of event.
Event Code 1000axgi An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000axgi, A comma-separated list of event ids that are associated to an event.

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