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Light earthquake, 4 mag was detected near Atka in Alaska

Posted by admin on March 12, 2016 0 Comments

Earthquake location 50.5992S, -173.7761WA light earthquake with magnitude 4 (ml/mb) was detected on Saturday, 180 km S of Atka, Alaska (112 miles). The epicenter of the earthquake was roughly 25.07 km (16 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Date and time of earthquake in UTC/GMT: 12/03/16 / 2016-03-12 14:15:25 / March 12, 2016 @ 2:15 pm. The temblor was reported at 02:15:25 / 2:15 am (local time epicenter). Unique identifier: us10004x0q. Ids that are associated to the event: us10004x0q. Exact location of event, longitude -173.7761 West, latitude 50.5992 North, depth = 25.07 km.

In the past 24 hours, there have been four, in the last 10 days four, in the past 30 days five and in the last 365 days one hundred and twenty-eight 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. Every year there are an estimated 13,000 light earthquakes in the world.

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 180 km S of Atka, Alaska. This information 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 -173.7761° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 50.5992° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 25.07 km Depth of the event in kilometers.
Place 180km S 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 14:15:25 Time when the event occurred. UTC/GMT
Updated 2016-03-12 16:28:36 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 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 ,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 2.071 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.19 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 250 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 us10004x0q Id of event.
Event Code 10004x0q An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10004x0q, A comma-separated list of event ids that are associated to an event.

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