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Light earthquake, 4.3 mag has occurred near Amatignak Island in Alaska

Posted by admin on March 7, 2018 0 Comments

Earthquake location 51.306S, -178.5229WA light earthquake magnitude 4.3 (ml/mb) has occurred on Tuesday, 41 km E of Amatignak Island, Alaska (25 miles). All ids that are associated to the event: ak18606274, us2000ddgn. Unique identifier: us2000ddgn. The earthquake occurred at a depth of 35 km (22 miles) below the earth’s surface. Exact location of earthquake, -178.5229° West, 51.306° North, depth 35 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was detected at 11:17:42 / 11:17 am (local time epicenter). Global date and time of event UTC/GMT: 06/03/18 / 2018-03-06 23:17:42 / March 6, 2018 @ 11:17 pm.

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

Questions or comments?

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: 41 km E of Amatignak Island, Alaska.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -178.5229° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.306° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 41km E of Amatignak 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 2018-03-06 23:17:42 Time when the event occurred. UTC/GMT
Updated 2018-03-06 23:54:36 Time when the event was most recently updated. UTC/GMT
Timezone offset -720 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 284 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 0.497 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.26 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 190 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 us2000ddgn Id of event.
Event Code 2000ddgn An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18606274,us2000ddgn, A comma-separated list of event ids that are associated to an event.

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