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Light earthquake: M4 quake has struck near Kaktovik in Alaska

Posted by admin on August 13, 2018 0 Comments

Earthquake location 69.5797S, -144.1744WA light earthquake magnitude 4 (ml/mb) strikes 65 km SSW of Kaktovik, Alaska (40 miles) on Monday. The earthquake was roughly at a depth of 0 km (0 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude -144.1744 West, latitude 69.5797 North, depth = 0 km. Unique identifier: ak20101921. Ids that are associated to the event: ak20101921. The 4-magnitude earthquake was detected at 12:51:26 / 12:51 pm (local time epicenter). Global date and time of event UTC/GMT: 13/08/18 / 2018-08-13 21:51:26 / August 13, 2018 @ 9:51 pm.

In the past 24 hours, there have been one hundred and eighteen, in the last 10 days one hundred and eighty, in the past 30 days one hundred and eighty and in the last 365 days one hundred and eighty-four earthquakes of magnitude 3.0 or greater that has struck near. Every year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 65 km SSW of Kaktovik, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -144.1744° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 69.5797° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 0 km Depth of the event in kilometers.
Place 65km SSW of Kaktovik, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-08-13 21:51:26 Time when the event occurred. UTC/GMT
Updated 2018-08-13 22:05:20 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI The maximum reported intensity for the event.
MMI 4.1 The maximum estimated instrumental intensity for the event.
Alert Level green The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status automatic 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 246 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network ak The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,ak, 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 0.59 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 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 ak20101921 Id of event.
Event Code 20101921 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20101921, A comma-separated list of event ids that are associated to an event.

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