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Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.6 mag has occurred near Amukta Island in Alaska


Earthquake location 50.8271S, -171.0439WA minor earthquake magnitude 3.6 (ml/mb) has occurred on Sunday, 185 km S of Amukta Island, Alaska (115 miles). The 3.6-magnitude earthquake was detected at 20:24:11 / 8:24 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 16/04/18 / 2018-04-16 07:24:11 / April 16, 2018 @ 7:24 am. Id of earthquake: us1000dnv2. Event ids that are associated: ak19244713, us1000dnv2. Exact location, longitude -171.0439° West, latitude 50.8271° North, depth = 15.38 km. The epicenter was at a depth of 15.38 km (10 miles).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Each 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 four and in the last 365 days thirty-nine earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel anything?

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: 185 km S of Amukta Island, Alaska.

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More information

Parameter Value Description
Magnitude 3.6 mb The magnitude for the event.
Longitude -171.0439° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 50.8271° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 15.38 km Depth of the event in kilometers.
Place 185km S 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 2018-04-16 07:24:11 Time when the event occurred. UTC/GMT
Updated 2018-04-23 13:21:38 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 199 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 2.122 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.85 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 237 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us1000dnv2 Id of event.
Event Code 1000dnv2 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak19244713,us1000dnv2, A comma-separated list of event ids that are associated to an event.

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