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Minor earthquake, 2.8 mag has occurred near Adak in Alaska



Earthquake location 50.8595S, -176.7619WA minor earthquake with magnitude 2.8 (ml/mb) was reported 113 km S of Adak, Alaska (70 miles) on Monday. Exact time and date of event in UTC/GMT: 09/05/17 / 2017-05-09 07:11:57 / May 9, 2017 @ 7:11 am. Exact location of earthquake, longitude -176.7619 West, latitude 50.8595 North, depth = 19.05 km. All ids that are associated to the event: ak16130009, us10008v2x. Unique identifier: us10008v2x. The earthquake occurred at a depth of 19.05 km (12 miles) below the earth’s surface. The 2.8-magnitude earthquake was detected at 19:11:57 / 7:11 pm (local time epicenter).

In the past 24 hours, there have been thirty-two, in the last 10 days thirty-four, in the past 30 days thirty-four and in the last 365 days one hundred and sixty-nine earthquakes of magnitude 3.0 or greater that has struck near. Each year there are an estimated 1,300,000 minor quakes in the world. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

How would you describe the shaking?

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. 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: 113 km S of Adak, Alaska.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -176.7619° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 50.8595° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 19.05 km Depth of the event in kilometers.
Place 113km S of Adak, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-05-09 07:11:57 Time when the event occurred. UTC/GMT
Updated 2017-05-26 06:48:34 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 121 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 1.023 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.3 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 264 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 us10008v2x Id of event.
Event Code 10008v2x An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak16130009,us10008v2x, A comma-separated list of event ids that are associated to an event.

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