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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.3 mag, Fox Islands, Aleutian Islands, Alaska


Earthquake location 52.141S, -169.3008WA light earthquake magnitude 4.3 (ml/mb) strikes Fox Islands, Aleutian Islands, Alaska (0 miles) on Monday. Exact location of earthquake, -169.3008° West, 52.141° North, depth 19 km. The 4.3-magnitude earthquake has occurred at 04:53:33 / 4:53 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 27/07/15 / 2015-07-27 04:53:33 / July 27, 2015 @ 4:53 am UTC/GMT. Unique identifier: ak11664752. Ids that are associated to the event: ak11664752. The epicenter of the earthquake was roughly 19 km (12 miles) below the earth’s surface.

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

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: Fox Islands, Aleutian Islands, Alaska.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -169.3008° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.141° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 19 km Depth of the event in kilometers.
Place Fox 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 2015-07-27 04:53:33 Time when the event occurred. UTC/GMT
Updated 2015-07-31 01:34:33 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 11 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 0.49 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 230.399981568 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 ak11664752 Id of event.
Event Code 11664752 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak11664752, A comma-separated list of event ids that are associated to an event.

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