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Minor earthquake, 2.8 mag has occurred near Alva in Oklahoma


Earthquake location 36.7224S, -98.7304WA minor earthquake with magnitude 2.8 (ml/mb) was detected on Friday, 10 kilometers (6 miles) from Alva in Oklahoma. The earthquake was roughly at a depth of 6.281 km (4 miles). Exact time and date of earthquake 15/07/16 / 2016-07-15 06:39:25 / July 15, 2016 @ 6:39 am UTC/GMT. The temblor was reported at 01:39:25 / 1:39 am (local time epicenter). All ids that are associated to the event: us20006ev0. Unique identifier: us20006ev0. Exact location of earthquake, longitude -98.7304 West, latitude 36.7224 North, depth = 6.281 km.

Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected). Nearest cities/city/villages to epicentrum/hypocenter was Woodward (min 5000 pop). The epicenter was 67 km (42 miles) from Woodward (c. 12 100 pop).

In the past 24 hours, there have been six, in the last 10 days fifteen, in the past 30 days twenty-eight and in the last 365 days three hundred and twenty-six earthquakes of magnitude 3.0 or greater that have been detected nearby. There are an estimated 1,300,000 minor earthquakes in the world each year. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

Did you feel it?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 10 km SSW of Alva, Oklahoma.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -98.7304° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.7224° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 6.281 km Depth of the event in kilometers.
Place 10km SSW 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 2016-07-15 06:39:25 Time when the event occurred. UTC/GMT
Updated 2016-08-07 07:23:48 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.13 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 98 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 us20006ev0 Id of event.
Event Code 20006ev0 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20006ev0, A comma-separated list of event ids that are associated to an event.

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