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Light earthquake, 4 mag was detected near Kaktovik in Alaska

Posted by admin on August 13, 2018 0 Comments

Earthquake location 69.5146S, -144.736WA light earthquake with magnitude 4 (ml/mb) was detected on Sunday, 81 km SSW of Kaktovik, Alaska (50 miles). Exact location of earthquake, -144.736° West, 69.5146° North, depth 0 km. The 4-magnitude earthquake has occurred at 19:43:09 / 7:43 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 13/08/18 / 2018-08-13 04:43:09 / August 13, 2018 @ 4:43 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 0 km (0 miles) below the earth’s surface. Event id: ak20089887. Ids that are associated to the earthquake: ak20089887.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light earthquakes in the world each year. In the past 24 hours, there have been one hundred and twelve, in the last 10 days one hundred and twelve, in the past 30 days one hundred and twelve and in the last 365 days one hundred and sixteen earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 81 km SSW of Kaktovik, Alaska.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -144.736° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 69.5146° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 0 km Depth of the event in kilometers.
Place 81km 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 04:43:09 Time when the event occurred. UTC/GMT
Updated 2018-08-13 04:53:55 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 3.96 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 0.75 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 ak20089887 Id of event.
Event Code 20089887 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20089887, A comma-separated list of event ids that are associated to an event.

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