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Light earthquake, 4.2 mag has occurred near Atka in Alaska

Posted by admin on September 5, 2015 1 Comment

Earthquake location 51.2629S, -174.3533WA light earthquake magnitude 4.2 (ml/mb) strikes 104 km S of Atka, Alaska (65 miles) on Friday. Exact time and date of earthquake 05/09/15 / 2015-09-05 08:30:20 / September 5, 2015 @ 8:30 am UTC/GMT. Exact location of earthquake, longitude -174.3533 West, latitude 51.2629 North, depth = 39.99 km. The temblor was detected at 20:30:20 / 8:30 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Id of earthquake: us20003gmf. Event ids that are associated: us20003gmf. The epicenter was at a depth of 39.99 km (25 miles).

In the past 24 hours, there have been twenty-one, in the last 10 days twenty-seven, in the past 30 days thirty-nine and in the last 365 days one hundred and fourty-three 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?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 104 km S of Atka, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -174.3533° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.2629° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 39.99 km Depth of the event in kilometers.
Place 104km 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 08:30:20 Time when the event occurred. UTC/GMT
Updated 2015-09-05 08:49:40 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 271 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 0.945 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.91 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 124 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 us20003gmf Id of event.
Event Code 20003gmf An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003gmf, A comma-separated list of event ids that are associated to an event.

1 Comment

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  1. Sheepdog

    China, Russia navy warships all visit Alaska & then a earthquake hits days later. HHMMM?

    September 5, 2015
    Reply

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