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Minor earthquake: M2.9 quake has struck near Alva in Oklahoma

Posted by admin on April 5, 2017 0 Comments

Earthquake location 36.5892S, -98.5611WA minor earthquake magnitude 2.9 (ml/mb) strikes 25 kilometers (16 miles) from Alva in Oklahoma on Saturday. The epicenter was at a depth of 6.049 km (4 miles). The temblor was detected at 01:03:16 / 1:03 am (local time epicenter). Global date and time of event UTC/GMT: 18/03/17 / 2017-03-18 07:03:16 / March 18, 2017 @ 7:03 am. Exact location of event, depth 6.049 km, -98.5611° West, 36.5892° North. Id of earthquake: us20008syp. Event ids that are associated: us20008syp.

Closest city/cities/towns to epicentrum/hypocenter was Woodward, Enid (min 5000 pop). Earthquake epicenter was 65 km (40 miles) from Enid (c. 49 400 pop), 76 km (47 miles) from Woodward (c. 12 100 pop). Nearby country/countries that might be effected, United States (c. 310 233 000 pop).

There are an estimated 1,300,000 minor quakes in the world each year. Earthquakes 2.5 to 3.0 are often felt, but only causes minor damage. In the past 24 hours, there have been five, in the last 10 days eleven, in the past 30 days twenty-two and in the last 365 days two hundred and ten earthquakes of magnitude 3.0 or greater that has occurred nearby.

Questions or comments?

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: 25 km SSE of Alva, Oklahoma.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -98.5611° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.5892° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 6.049 km Depth of the event in kilometers.
Place 25km SSE 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 2017-03-18 07:03:16 Time when the event occurred. UTC/GMT
Updated 2017-04-05 11:33:41 Time when the event was most recently updated. UTC/GMT
Timezone offset -360 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 2 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 130 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 0.24 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 41 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 us20008syp Id of event.
Event Code 20008syp An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20008syp, A comma-separated list of event ids that are associated to an event.

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