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Minor earthquake, 2.8 mag has occurred near Amukta Island in Alaska


Earthquake location 52.5554S, -171.1673WA minor earthquake magnitude 2.8 (ml/mb) has struck on Friday, 9 km NE of Amukta Island, Alaska (6 miles). The earthquake occurred at a depth of 112.6 km (70 miles). Global time and date of event 10/07/15 / 2015-07-10 10:16:47 / July 10, 2015 @ 10:16 am UTC/GMT. Exact location of event, longitude -171.1673 West, latitude 52.5554 North, depth = 112.6 km. The temblor was picked up at 01:16:47 / 1:16 am (local time epicenter). All ids that are associated to the event: ak11648785. Unique identifier: ak11648785.

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. There are an estimated 1,300,000 minor earthquakes in the world each year. In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days fourteen and in the last 365 days fifty-six earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Questions or comments?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 9 km NE of Amukta Island, Alaska.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -171.1673° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.5554° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 112.6 km Depth of the event in kilometers.
Place 9km NE of Amukta 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 2015-07-10 10:16:47 Time when the event occurred. UTC/GMT
Updated 2015-07-16 23:11:22 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 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 121 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 0.54 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 ak11648785 Id of event.
Event Code 11648785 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak11648785, A comma-separated list of event ids that are associated to an event.

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