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Light earthquake, 4.6 mag strikes near Kaktovik in Alaska

Posted by admin on August 12, 2018 0 Comments

Earthquake location 69.6284S, -143.9975WA light earthquake with magnitude 4.6 (ml/mb) was detected on Sunday, 57 km SSW of Kaktovik, Alaska (35 miles). The temblor was picked up at 12:47:39 / 12:47 pm (local time epicenter). The earthquake occurred at a depth of 10 km (6 miles). Exact location of earthquake, -143.9975° West, 69.6284° North, depth 10 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us1000g7f2. Ids that are associated to the earthquake: us1000g7f2. Date and time of earthquake in UTC/GMT: 12/08/18 / 2018-08-12 21:47:39 / August 12, 2018 @ 9:47 pm.

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

How would you describe the shaking?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 57 km SSW of Kaktovik, Alaska.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude -143.9975° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 69.6284° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 57km 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 2018-08-12 21:47:39 Time when the event occurred. UTC/GMT
Updated 2018-08-12 22:01:43 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 The maximum estimated instrumental intensity for the event.
Alert Level 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 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 326 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,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 1.139 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.99 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 134 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us1000g7f2 Id of event.
Event Code 1000g7f2 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000g7f2, A comma-separated list of event ids that are associated to an event.

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