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Light earthquake 4.7 mag, 66 km SW of Kaktovik, Alaska

Posted by admin on December 7, 2018 0 Comments

Earthquake location 69.7525S, -144.9855WA light earthquake with magnitude 4.7 (ml/mb) was detected on Friday, 66 km SW of Kaktovik, Alaska (41 miles). Exact location of earthquake, -144.9855° West, 69.7525° North, depth 2.7 km. A tsunami warning has been issued near Kaktovik in Alaska (Does not indicate if a tsunami actually did or will exist). The 4.7-magnitude earthquake was detected at 06:22:57 / 6:22 am (local time epicenter). Exact time and date of event in UTC/GMT: 07/12/18 / 2018-12-07 15:22:57 / December 7, 2018 @ 3:22 pm. Id of earthquake: ak20459899. Event ids that are associated: at00pjdhea, ak20459899, us1000i47l. The earthquake occurred at a depth of 2.7 km (2 miles).

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

Did you feel it?

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: 66 km SW of Kaktovik, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude -144.9855° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 69.7525° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 2.7 km Depth of the event in kilometers.
Place 66km 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 2018-12-07 15:22:57 Time when the event occurred. UTC/GMT
Updated 2018-12-07 15:37:15 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 4.61 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 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 340 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,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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1 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 ak20459899 Id of event.
Event Code 20459899 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00pjdhea,ak20459899,us1000i47l, A comma-separated list of event ids that are associated to an event.

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