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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.3 mag, 55 km SSW of Little Sitkin Island, Alaska



Earthquake location 51.4858S, 178.2218WA light earthquake magnitude 4.3 (ml/mb) strikes 55 km SSW of Little Sitkin Island, Alaska (34 miles) on Wednesday. Exact time and date of earthquake 28/11/17 / 2017-11-28 17:47:50 / November 28, 2017 @ 5:47 pm UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). All ids that are associated to the event: ak17398811, us2000bvit. Unique identifier: us2000bvit. The earthquake occurred at a depth of 63.22 km (39 miles) below the earth’s surface. Exact location of event, longitude 178.2218 East, latitude 51.4858 North, depth = 63.22 km. The 4.3-magnitude earthquake has occurred at 05:47:50 / 5:47 am (local time epicenter).

In the past 24 hours, there have been two, in the last 10 days four, in the past 30 days five and in the last 365 days one hundred and fourty-two earthquakes of magnitude 3.0 or greater that has occurred nearby. 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.

Questions or comments?

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: 55 km SSW of Little Sitkin Island, Alaska.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 178.2218° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.4858° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 63.22 km Depth of the event in kilometers.
Place 55km SSW of Little Sitkin Island, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-11-28 17:47:50 Time when the event occurred. UTC/GMT
Updated 2017-11-28 20:19:38 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 284 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 0.495 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.82 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 154 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 us2000bvit Id of event.
Event Code 2000bvit An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak17398811,us2000bvit, A comma-separated list of event ids that are associated to an event.

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