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Light earthquake: M4.2 quake has struck near Amukta Island in Alaska

Posted by admin on December 11, 2016 0 Comments

Earthquake location 51.8413S, -171.3352WA light earthquake magnitude 4.2 (ml/mb) strikes 72 km S of Amukta Island, Alaska (45 miles) on Monday. Exact location, longitude -171.3352° West, latitude 51.8413° North, depth = 36.67 km. The 4.2-magnitude earthquake has occurred at 00:17:39 / 12:17 am (local time epicenter). Event ids that are associated to the earthquake: ak14468278, us10007eny. Id of event: us10007eny. The earthquake occurred at a depth of 36.67 km (23 miles) below the earth’s surface. Global date and time of event UTC/GMT: 28/11/16 / 2016-11-28 11:17:39 / November 28, 2016 @ 11:17 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

In the past 24 hours, there have been six, in the last 10 days nine, in the past 30 days nine and in the last 365 days seventy-five earthquakes of magnitude 3.0 or greater that has struck near. 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.

Did you feel anything?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 72 km S of Amukta Island, Alaska.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -171.3352° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.8413° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 36.67 km Depth of the event in kilometers.
Place 72km S of Amukta Island, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-11-28 11:17:39 Time when the event occurred. UTC/GMT
Updated 2016-12-11 10:22:19 Time when the event was most recently updated. UTC/GMT
Timezone offset -660 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 271 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 ,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 1.322 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.73 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 212 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 us10007eny Id of event.
Event Code 10007eny An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak14468278,us10007eny, A comma-separated list of event ids that are associated to an event.

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