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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.3 quake has struck near Andreanof Islands, Aleutian Islands, Alaska


Earthquake location 51.5586S, -175.8176WA light earthquake with magnitude 4.3 (ml/mb) was reported Andreanof Islands, Aleutian Islands, Alaska (0 miles) on Friday. Exact location of earthquake, -175.8176° West, 51.5586° North, depth 25.8 km. The temblor was picked up at 19:58:04 / 7:58 pm (local time epicenter). The earthquake occurred at a depth of 25.8 km (16 miles). Exact time and date of event in UTC/GMT: 30/11/18 / 2018-11-30 19:58:04 / November 30, 2018 @ 7:58 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: ak20463420. Ids that are associated to the event: ak20463420.

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

Did you feel it?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: Andreanof Islands, Aleutian Islands, Alaska.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -175.8176° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.5586° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 25.8 km Depth of the event in kilometers.
Place Andreanof Islands, Aleutian Islands, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-11-30 19:58:04 Time when the event occurred. UTC/GMT
Updated 2018-12-08 00:26:15 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 ak The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,ak, 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 0.52 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 ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID ak20463420 Id of event.
Event Code 20463420 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20463420, A comma-separated list of event ids that are associated to an event.

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