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Minor earthquake 2.9 mag, 23 km W of Helena, Oklahoma

Posted by admin on July 23, 2016 0 Comments

Earthquake location 36.5757S, -98.5259WA minor earthquake with magnitude 2.9 (ml/mb) was detected on Friday, 23 kilometers (14 miles) from Helena in Oklahoma. Global time and date of event 22/07/16 / 2016-07-22 22:21:42 / July 22, 2016 @ 10:21 pm UTC/GMT. The temblor was picked up at 17:21:42 / 5:21 pm (local time epicenter). All ids that are associated to the event: us20006gz1. Unique identifier: us20006gz1. The earthquake occurred at a depth of 8.28 km (5 miles) below the earth’s surface. Exact location of event, depth 8.28 km, -98.5259° West, 36.5757° North.

The epicenter was 61 km (38 miles) from Enid (c. 49 400 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Enid (min 5000 pop).

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

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 23 km W of Helena, Oklahoma.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -98.5259° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.5757° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 8.28 km Depth of the event in kilometers.
Place 23km W of Helena, Oklahoma Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-07-22 22:21:42 Time when the event occurred. UTC/GMT
Updated 2016-07-23 00:52:51 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 129 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 0.151 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 43 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 us20006gz1 Id of event.
Event Code 20006gz1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20006gz1, A comma-separated list of event ids that are associated to an event.

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