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Minor World Earthquakes Magnitude -3.9

Minor earthquake 3 mag, 26 km WNW of Perry, Oklahoma


Earthquake location 36.406S, -97.543WA minor earthquake magnitude 3 (ml/mb) has struck on Saturday, 26 kilometers (16 miles) from Perry in Oklahoma. Global time and date of event 21/02/16 / 2016-02-21 05:11:14 / February 21, 2016 @ 5:11 am UTC/GMT. All ids that are associated to the event: us10004rh4. Unique identifier: us10004rh4. The earthquake was roughly at a depth of 4.078 km (3 miles). The 3-magnitude earthquake has occurred at 23:11:14 / 11:11 pm (local time epicenter). Exact location of event, depth 4.078 km, -97.543° West, 36.406° North.

Closest city/cities/towns to epicentrum/hypocenter was Guthrie, Stillwater, Ponca City (min 5000 pop). Earthquake epicenter was 30 km (19 miles) from Enid (c. 49 400 pop), 54 km (34 miles) from Stillwater (c. 45 700 pop), 53 km (33 miles) from Ponca City (c. 25 400 pop), 60 km (37 miles) from Guthrie (c. 10 200 pop), 50 km (31 miles) from Blackwell (c. 7 100 pop). Country/countries that might be effected, United States (c. 310 233 000 pop).

Every year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been twenty-nine, in the last 10 days fifty, in the past 30 days seventy-seven and in the last 365 days seven hundred and thirty-eight earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

How would you describe the shaking?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 26 km WNW of Perry, Oklahoma.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -97.543° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.406° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 4.078 km Depth of the event in kilometers.
Place 26km WNW 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 2016-02-21 05:11:14 Time when the event occurred. UTC/GMT
Updated 2016-03-13 12:07:17 Time when the event was most recently updated. UTC/GMT
Timezone offset -360 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 138 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 0.42 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 65 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 us10004rh4 Id of event.
Event Code 10004rh4 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10004rh4, A comma-separated list of event ids that are associated to an event.

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