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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 69.6313S, -144.251WA light earthquake magnitude 4 (ml/mb) has occurred on Sunday, 60 km SSW of Kaktovik, Alaska (37 miles). The earthquake was roughly at a depth of 4.8 km (3 miles). Exact location of event, depth 4.8 km, -144.251° West, 69.6313° North. Exact time and date of event in UTC/GMT: 13/08/18 / 2018-08-13 05:43:58 / August 13, 2018 @ 5:43 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was detected at 20:43:58 / 8:43 pm (local time epicenter). All ids that are associated to the event: ak20091142. Unique identifier: ak20091142.

There are an estimated 13,000 light earthquakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one hundred and nineteen, in the last 10 days one hundred and nineteen, in the past 30 days one hundred and nineteen and in the last 365 days one hundred and twenty-three earthquakes of magnitude 3.0 or greater that has occurred nearby.

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 60 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 -144.251° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 69.6313° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 4.8 km Depth of the event in kilometers.
Place 60km 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 05:43:58 Time when the event occurred. UTC/GMT
Updated 2018-08-13 05:55:53 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 4.01 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 0.81 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 ak20091142 Id of event.
Event Code 20091142 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20091142, A comma-separated list of event ids that are associated to an event.

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