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Minor earthquake 3 mag, 48 km S of Adak, Alaska



Earthquake location 51.4496S, -176.765WA minor earthquake magnitude 3 (ml/mb) has struck on Saturday, 48 km S of Adak, Alaska (30 miles). The 3-magnitude earthquake was detected at 15:13:16 / 3:13 pm (local time epicenter). Exact time and date of event in UTC/GMT: 28/08/16 / 2016-08-28 00:13:16 / August 28, 2016 @ 12:13 am. Unique identifier: ak13881145. Ids that are associated to the event: ak13881145. The epicenter was at a depth of 39.3 km (24 miles). Exact location of earthquake, -176.765° West, 51.4496° North, depth 39.3 km.

Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. Every year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days twelve and in the last 365 days one hundred and twenty-two earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel it?

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 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: 48 km S of Adak, Alaska.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -176.765° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.4496° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 39.3 km Depth of the event in kilometers.
Place 48km 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 2016-08-28 00:13:16 Time when the event occurred. UTC/GMT
Updated 2016-09-08 23:39:12 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 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 138 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 27 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 0.53 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 205.199983584 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 ak13881145 Id of event.
Event Code 13881145 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak13881145, A comma-separated list of event ids that are associated to an event.

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