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Minor earthquake, 2.8 mag has occurred near Alva in Oklahoma

Earthquake location 36.5772S, -98.8838WA minor earthquake magnitude 2.8 (ml/mb) has struck on Thursday, 31 kilometers (19 miles) from Alva in Oklahoma. Exact location of event, depth 5 km, -98.8838° West, 36.5772° North. Unique identifier: us10004spm. Ids that are associated to the event: us10004spm. The temblor was picked up at 14:45:16 / 2:45 pm (local time epicenter). Global time and date of event 25/02/16 / 2016-02-25 20:45:16 / February 25, 2016 @ 8:45 pm UTC/GMT. The epicenter was at a depth of 5 km (3 miles).

Event epicenter was 48 km (30 miles) from Woodward (c. 12 100 pop). Nearest cities/city/villages to epicentrum/hypocenter was Woodward (min 5000 pop). Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected).

In the past 24 hours, there have been 0, in the last 10 days four, in the past 30 days twenty-five and in the last 365 days three hundred and fourteen earthquakes of magnitude 3.0 or greater that has struck near. Each year there are an estimated 1,300,000 minor earthquakes in the world. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

Did you feel anything?

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: 31 km SW of Alva, Oklahoma.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -98.8838° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.5772° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 5 km Depth of the event in kilometers.
Place 31km SW of Alva, Oklahoma Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-02-25 20:45:16 Time when the event occurred. UTC/GMT
Updated 2016-02-25 21:44:58 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 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 0.131 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.65 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 59 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 us10004spm Id of event.
Event Code 10004spm An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10004spm, A comma-separated list of event ids that are associated to an event.

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