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Light earthquake, 4 mag strikes near Talkeetna in Alaska

Posted by admin on April 21, 2016 0 Comments

Earthquake location 63.0899S, -151.5896WA light earthquake with magnitude 4 (ml/mb) was detected on Thursday, 108 km NW of Talkeetna, Alaska (67 miles). The earthquake occurred at a depth of 2.3 km (1 miles) below the earth’s surface. The temblor was detected at 02:01:58 / 2:01 am (local time epicenter). Unique identifier: ak13489210. Ids that are associated to the event: us20005kf9, ak13489210. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global date and time of event UTC/GMT: 21/04/16 / 2016-04-21 10:01:58 / April 21, 2016 @ 10:01 am. Exact location of event, longitude -151.5896 West, latitude 63.0899 North, depth = 2.3 km.

In the past 24 hours, there have been five, in the last 10 days nine, in the past 30 days thirteen and in the last 365 days seventy-six earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light earthquakes in the world each year.

Did you feel it?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 108 km NW of Talkeetna, 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 -151.5896° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 63.0899° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 2.3 km Depth of the event in kilometers.
Place 108km NW of Talkeetna, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-04-21 10:01:58 Time when the event occurred. UTC/GMT
Updated 2016-04-21 10:44:34 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 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 3.74 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 automatic 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 ak The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us,ak, 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.94 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 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 ak13489210 Id of event.
Event Code 13489210 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20005kf9,ak13489210, A comma-separated list of event ids that are associated to an event.

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