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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag strikes near Tanaga Volcano in Alaska

Posted by admin on November 23, 2015 0 Comments

Earthquake location 51.4613S, -178.1702WA light earthquake magnitude 4 (ml/mb) has struck on Tuesday, 47 km S of Tanaga Volcano, Alaska (29 miles). Global time and date of event 04/11/15 / 2015-11-04 02:52:00 / November 4, 2015 @ 2:52 am UTC/GMT. Event id: us10003y8z. Ids that are associated to the earthquake: ak11769699, us10003y8z. The 4-magnitude earthquake has occurred at 16:52:00 / 4:52 pm (local time epicenter). The epicenter was at a depth of 18.1 km (11 miles). Exact location of earthquake, longitude -178.1702 West, latitude 51.4613 North, depth = 18.1 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been nine, in the last 10 days nine, in the past 30 days seventeen and in the last 365 days one hundred and one earthquakes of magnitude 3.0 or greater that has struck near. Each year there are an estimated 13,000 light quakes in the world.

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: 47 km S of Tanaga Volcano, Alaska.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -178.1702° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.4613° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 18.1 km Depth of the event in kilometers.
Place 47km S of Tanaga Volcano, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-11-04 02:52:00 Time when the event occurred. UTC/GMT
Updated 2015-11-23 02:08:18 Time when the event was most recently updated. UTC/GMT
Timezone offset -600 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 ,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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.92 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 mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us10003y8z Id of event.
Event Code 10003y8z An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak11769699,us10003y8z, A comma-separated list of event ids that are associated to an event.

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