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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.2 mag, 87 km SE of Atka, Alaska

Posted by admin on November 15, 2015 0 Comments

Earthquake location 51.6096S, -173.3502WA light earthquake magnitude 4.2 (ml/mb) strikes 87 km SE of Atka, Alaska (54 miles) on Sunday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 56.16 km (35 miles) below the earth’s surface. Event id: us10003x79. Ids that are associated to the earthquake: ak11765880, us10003x79. The 4.2-magnitude earthquake was detected at 23:16:38 / 11:16 pm (local time epicenter). Exact location of event, longitude -173.3502 West, latitude 51.6096 North, depth = 56.16 km. Exact time and date of event in UTC/GMT: 02/11/15 / 2015-11-02 11:16:38 / November 2, 2015 @ 11:16 am.

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

Questions or comments?

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. 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: 87 km SE of Atka, Alaska.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -173.3502° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.6096° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 56.16 km Depth of the event in kilometers.
Place 87km SE 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 2015-11-02 11:16:38 Time when the event occurred. UTC/GMT
Updated 2015-11-15 08:09:39 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 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 ,ak,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 0.811 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.05 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 us10003x79 Id of event.
Event Code 10003x79 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak11765880,us10003x79, A comma-separated list of event ids that are associated to an event.

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