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Light earthquake: M4.7 quake has struck near Kaktovik in Alaska

Posted by admin on August 12, 2018 0 Comments

Earthquake location 69.5679S, -144.6729WA light earthquake with magnitude 4.7 (ml/mb) was reported 74 km SSW of Kaktovik, Alaska (46 miles) on Sunday. A tsunami warning has been issued near Kaktovik in Alaska (Does not indicate if a tsunami actually did or will exist). Exact location, longitude -144.6729° West, latitude 69.5679° North, depth = 10 km. Event ids that are associated to the earthquake: at00pdcty4, us1000g77p. Id of event: us1000g77p. The 4.7-magnitude earthquake was detected at 06:34:50 / 6:34 am (local time epicenter). Exact time and date of event in UTC/GMT: 12/08/18 / 2018-08-12 15:34:50 / August 12, 2018 @ 3:34 pm. The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface.

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

How would you describe the shaking?

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: 74 km SSW of Kaktovik, Alaska.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude -144.6729° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 69.5679° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 74km 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 15:34:50 Time when the event occurred. UTC/GMT
Updated 2018-08-12 15:46:23 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 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 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 us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,at,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 0.65 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.46 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 108 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 us1000g77p Id of event.
Event Code 1000g77p An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00pdcty4,us1000g77p, A comma-separated list of event ids that are associated to an event.

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