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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag has occurred near Atka in Alaska

Posted by admin on March 26, 2016 0 Comments

Earthquake location 51.3487S, -173.9149WA light earthquake magnitude 4 (ml/mb) has struck on Saturday, 96 km SSE of Atka, Alaska (60 miles). Global date and time of event UTC/GMT: 12/03/16 / 2016-03-12 12:40:07 / March 12, 2016 @ 12:40 pm. The 4-magnitude earthquake has occurred at 00:40:07 / 12:40 am (local time epicenter). The epicenter was at a depth of 21.77 km (14 miles). Event ids that are associated to the earthquake: ak12969012, us20005a7u. Id of event: us20005a7u. Exact location of event, longitude -173.9149 West, latitude 51.3487 North, depth = 21.77 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

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

Did you feel it?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 96 km SSE of Atka, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -173.9149° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.3487° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 21.77 km Depth of the event in kilometers.
Place 96km 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 2016-03-12 12:40:07 Time when the event occurred. UTC/GMT
Updated 2016-03-26 09:41:53 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 246 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 0.872 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.93 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 196 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 us20005a7u Id of event.
Event Code 20005a7u An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak12969012,us20005a7u, A comma-separated list of event ids that are associated to an event.

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