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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.8 mag was detected near Atka in Alaska

Posted by admin on September 4, 2015 0 Comments

Earthquake location 51.478S, -175.046WA light earthquake with magnitude 4.8 (ml/mb) was reported 98 km SW of Atka, Alaska (61 miles) on Friday. All ids that are associated to the event: us20003g9a. Unique identifier: us20003g9a. Exact time and date of earthquake 04/09/15 / 2015-09-04 12:24:24 / September 4, 2015 @ 12:24 pm UTC/GMT. Exact location, longitude -175.046° West, latitude 51.478° North, depth = 46.42 km. The earthquake was roughly at a depth of 46.42 km (29 miles). The temblor was picked up at 00:24:24 / 12:24 am (local time epicenter). 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. Each year there are an estimated 13,000 light quakes in the world. In the past 24 hours, there have been four, in the last 10 days ten, in the past 30 days twenty-five and in the last 365 days one hundred and nineteen earthquakes of magnitude 3.0 or greater that have been detected nearby.

How would you describe the shaking?

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: 98 km SW of Atka, Alaska.

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More information

Parameter Value Description
Magnitude 4.8 mb The magnitude for the event.
Longitude -175.046° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.478° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 46.42 km Depth of the event in kilometers.
Place 98km SW 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 2015-09-04 12:24:24 Time when the event occurred. UTC/GMT
Updated 2015-09-04 12:39:33 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 354 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 0.881 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.12 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 178 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 us20003g9a Id of event.
Event Code 20003g9a An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003g9a, A comma-separated list of event ids that are associated to an event.

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