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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.2 quake has struck near Rat Islands, Aleutian Islands, Alaska



Earthquake location 50.3095S, 179.2164WA light earthquake magnitude 4.2 (ml/mb) has occurred on Thursday, Rat Islands, Aleutian Islands, Alaska (0 miles). Exact location of earthquake, longitude 179.2164 East, latitude 50.3095 North, depth = 65.1 km. The epicenter of the earthquake was roughly 65.1 km (40 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 11/02/16 / 2016-02-11 17:41:58 / February 11, 2016 @ 5:41 pm. The temblor was picked up at 17:41:58 / 5:41 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: ak12798631. Id of event: ak12798631.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been four, in the last 10 days six, in the past 30 days six and in the last 365 days fourty-eight earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 13,000 light quakes in the world each year.

How would you describe the shaking?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: Rat Islands, Aleutian Islands, Alaska.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 179.2164° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 50.3095° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 65.1 km Depth of the event in kilometers.
Place Rat 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 2016-02-11 17:41:58 Time when the event occurred. UTC/GMT
Updated 2016-02-15 18:42:42 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 271 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 22 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.900835 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.79 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 244.799980416 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 ak12798631 Id of event.
Event Code 12798631 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak12798631, A comma-separated list of event ids that are associated to an event.

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