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Light earthquake, 4.6 mag was detected near Larsen Bay in Alaska

Posted by admin on December 12, 2015 0 Comments

Earthquake location 56.6714S, -154.4966WA light earthquake with magnitude 4.6 (ml/mb) was reported 101 km SSW of Larsen Bay, Alaska (63 miles) on Saturday. Unique identifier: ak12247618. Ids that are associated to the event: at00nz9o59, ak12247618. Exact time and date of event in UTC/GMT: 12/12/15 / 2015-12-12 22:36:42 / December 12, 2015 @ 10:36 pm. The 4.6-magnitude earthquake has occurred at 13:36:42 / 1:36 pm (local time epicenter). Exact location of event, longitude -154.4966 West, latitude 56.6714 North, depth = 100 km. A tsunami warning has been issued near Larsen Bay in Alaska (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 100 km (62 miles).

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

Did you feel it?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 101 km SSW of Larsen Bay, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude -154.4966° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.6714° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 100 km Depth of the event in kilometers.
Place 101km SSW of Larsen Bay, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-12-12 22:36:42 Time when the event occurred. UTC/GMT
Updated 2015-12-12 22:58:45 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 The maximum reported intensity for the event.
MMI 3.63 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 326 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 0.78 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 ak12247618 Id of event.
Event Code 12247618 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00nz9o59,ak12247618, A comma-separated list of event ids that are associated to an event.

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