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Light earthquake 4 mag, 85 km SW of Kaktovik, Alaska

Posted by admin on August 18, 2018 0 Comments

Earthquake location 69.6238S, -145.2768WA light earthquake with magnitude 4 (ml/mb) was detected on Friday, 85 km SW of Kaktovik, Alaska (53 miles). Exact time and date of earthquake 18/08/18 / 2018-08-18 04:52:58 / August 18, 2018 @ 4:52 am UTC/GMT. Exact location of earthquake, -145.2768° West, 69.6238° North, depth 8.9 km. A tsunami warning has been issued near Kaktovik in Alaska (Does not indicate if a tsunami actually did or will exist). Unique identifier: ak20110135. Ids that are associated to the event: at00pdn48c, ak20110135. The earthquake was roughly at a depth of 8.9 km (6 miles). The temblor was detected at 19:52:58 / 7:52 pm (local time epicenter).

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

Did you feel the quake?

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: 85 km SW of Kaktovik, Alaska.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -145.2768° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 69.6238° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 8.9 km Depth of the event in kilometers.
Place 85km SW 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 2018-08-18 04:52:58 Time when the event occurred. UTC/GMT
Updated 2018-08-18 05:08:23 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 3.91 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 reviewed Indicates whether the event has been reviewed by a human.
Tsunami 1 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 ,at,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 0.86 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 ak20110135 Id of event.
Event Code 20110135 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00pdn48c,ak20110135, A comma-separated list of event ids that are associated to an event.

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