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Minor earthquake: M2.8 quake has struck near Amukta Island in Alaska

Earthquake location 51.9403S, -171.5639WA minor earthquake magnitude 2.8 (ml/mb) strikes 64 km SSW of Amukta Island, Alaska (40 miles) on Wednesday. The earthquake occurred at a depth of 25.5 km (16 miles) below the earth’s surface. Exact location of earthquake, longitude -171.5639 West, latitude 51.9403 North, depth = 25.5 km. The 2.8-magnitude earthquake was detected at 01:34:41 / 1:34 am (local time epicenter). All ids that are associated to the event: ak02039mi7tx, us70008i1g. Unique identifier: us70008i1g. Date and time of earthquake in UTC/GMT: 11/03/20 / 2020-03-11 12:34:41 / March 11, 2020 @ 12:34 pm.

Every year there are an estimated 1,300,000 minor earthquakes in the world. In the past 24 hours, there have been three, in the last 10 days nine, in the past 30 days thirteen and in the last 365 days seventy-one earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage 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: 64 km SSW of Amukta Island, Alaska.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -171.5639° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.9403° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 25.5 km Depth of the event in kilometers.
Place 64km SSW 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 2020-03-11 12:34:41 Time when the event occurred. UTC/GMT
Updated 2020-04-09 12:48:36 Time when the event was most recently updated. UTC/GMT
Timezone offset -660 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 1.585 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.28 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 214 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 us70008i1g Id of event.
Event Code 70008i1g An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak02039mi7tx,us70008i1g, A comma-separated list of event ids that are associated to an event.

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