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Light earthquake, 4 mag has occurred near Atka in Alaska

Posted by admin on September 5, 2015 0 Comments

Earthquake location 51.4488S, -174.4114WA light earthquake magnitude 4 (ml/mb) has struck on Saturday, 84 km S of Atka, Alaska (52 miles). Exact time and date of earthquake 05/09/15 / 2015-09-05 13:54:27 / September 5, 2015 @ 1:54 pm UTC/GMT. The epicenter of the earthquake was roughly 57.2 km (36 miles) below the earth’s surface. Unique identifier: us20003gq2. Ids that are associated to the event: us20003gq2. The 4-magnitude earthquake has occurred at 01:54:27 / 1:54 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, -174.4114° West, 51.4488° North, depth 57.2 km.

There are an estimated 13,000 light earthquakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been thirty, in the last 10 days fourty-three, in the past 30 days fifty-six and in the last 365 days one hundred and fifty-one earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel anything?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking 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: 84 km S of Atka, Alaska.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -174.4114° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.4488° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 57.2 km Depth of the event in kilometers.
Place 84km 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 2015-09-05 13:54:27 Time when the event occurred. UTC/GMT
Updated 2015-09-05 14:08:06 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 ,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 0.765 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.88 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 208 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 us20003gq2 Id of event.
Event Code 20003gq2 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003gq2, A comma-separated list of event ids that are associated to an event.

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