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Light earthquake 4.4 mag, 84 km SSE of Atka, Alaska

Posted by admin on March 18, 2016 0 Comments

Earthquake location 51.5589S, -173.5284WA light earthquake with magnitude 4.4 (ml/mb) was detected on Thursday, 84 km SSE of Atka, Alaska (52 miles). Exact location of earthquake, -173.5284° West, 51.5589° North, depth 37.01 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 23:52:20 / 11:52 pm (local time epicenter). The earthquake occurred at a depth of 37.01 km (23 miles) below the earth’s surface. Global date and time of event UTC/GMT: 18/03/16 / 2016-03-18 11:52:20 / March 18, 2016 @ 11:52 am. Event id: us20005aqb. Ids that are associated to the earthquake: us20005aqb.

Each year there are an estimated 13,000 light quakes in the world. In the past 24 hours, there have been two, in the last 10 days twenty-eight, in the past 30 days thirty-two and in the last 365 days two hundred and fifty-seven 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.

Did you feel the quake?

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. 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: 84 km SSE of Atka, Alaska.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -173.5284° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.5589° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 37.01 km Depth of the event in kilometers.
Place 84km SSE of Atka, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-03-18 11:52:20 Time when the event occurred. UTC/GMT
Updated 2016-03-18 13:13:48 Time when the event was most recently updated. UTC/GMT
Timezone offset -720 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 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 298 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 1.66 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.92 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 187 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 us20005aqb Id of event.
Event Code 20005aqb An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20005aqb, A comma-separated list of event ids that are associated to an event.

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