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Minor earthquake, 3.2 mag strikes near Amukta Island in Alaska

Earthquake location 51.6978S, -171.6261WA minor earthquake with magnitude 3.2 (ml/mb) was detected on Wednesday, 91 km SSW of Amukta Island, Alaska (57 miles). The temblor was reported at 10:58:08 / 10:58 am (local time epicenter). Exact location of earthquake, -171.6261° West, 51.6978° North, depth 28.8 km. All ids that are associated to the event: ak18616458. Unique identifier: ak18616458. Exact time and date of event in UTC/GMT: 28/02/18 / 2018-02-28 21:58:08 / February 28, 2018 @ 9:58 pm. The earthquake was roughly at a depth of 28.8 km (18 miles).

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

Did you feel it?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity 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: 91 km SSW of Amukta Island, Alaska.

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More information

Parameter Value Description
Magnitude 3.2 mb The magnitude for the event.
Longitude -171.6261° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.6978° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 28.8 km Depth of the event in kilometers.
Place 91km 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 2018-02-28 21:58:08 Time when the event occurred. UTC/GMT
Updated 2018-03-07 21:09:44 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 158 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 0.53 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 ak18616458 Id of event.
Event Code 18616458 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18616458, A comma-separated list of event ids that are associated to an event.

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