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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag was detected near Attu Station in Alaska

Posted by admin on April 15, 2016 0 Comments

Earthquake location 53.9627S, 170.5363WA light earthquake magnitude 4 (ml/mb) strikes 215 km NW of Attu Station, Alaska (134 miles) on Sunday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4-magnitude earthquake has occurred at 10:14:23 / 10:14 am (local time epicenter). Exact location of event, longitude 170.5363 East, latitude 53.9627 North, depth = 28.4 km. Unique identifier: us20005bt6. Ids that are associated to the event: us20005bt6. Exact time and date of earthquake 19/03/16 / 2016-03-19 23:14:23 / March 19, 2016 @ 11:14 pm UTC/GMT. The epicenter was at a depth of 28.4 km (18 miles).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days three earthquakes of magnitude 3.0 or greater that have been detected in the same area. 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.

Did you feel the quake?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. 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: 215 km NW of Attu Station, Alaska.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 170.5363° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 53.9627° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 28.4 km Depth of the event in kilometers.
Place 215km NW of Attu Station, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-03-19 23:14:23 Time when the event occurred. UTC/GMT
Updated 2016-04-15 23:00:07 Time when the event was most recently updated. UTC/GMT
Timezone offset 660 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 ,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 2.467 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.8 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 150 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 us20005bt6 Id of event.
Event Code 20005bt6 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20005bt6, A comma-separated list of event ids that are associated to an event.

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