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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag was detected near Amukta Island in Alaska

Posted by admin on May 19, 2016 0 Comments

Earthquake location 52.0147S, -171.0999WA light earthquake magnitude 4.2 (ml/mb) strikes 53 km SSE of Amukta Island, Alaska (33 miles) on Saturday. Exact location of event, depth 46.56 km, -171.0999° West, 52.0147° North. The temblor was reported at 09:15:58 / 9:15 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). All ids that are associated to the event: ak13491763, us20005l8g. Unique identifier: us20005l8g. Exact time and date of event in UTC/GMT: 23/04/16 / 2016-04-23 20:15:58 / April 23, 2016 @ 8:15 pm. The earthquake occurred at a depth of 46.56 km (29 miles) below the earth’s surface.

In the past 24 hours, there have been nine, in the last 10 days nine, in the past 30 days ten and in the last 365 days one hundred and fifty-four earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Every year there are an estimated 13,000 light earthquakes in the world.

Did you feel anything?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 53 km SSE of Amukta Island, Alaska.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -171.0999° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.0147° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 46.56 km Depth of the event in kilometers.
Place 53km SSE 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 2016-04-23 20:15:58 Time when the event occurred. UTC/GMT
Updated 2016-05-19 00:23:54 Time when the event was most recently updated. UTC/GMT
Timezone offset -660 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 The maximum reported intensity for the event.
MMI 2.54 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 271 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 1.095 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.08 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 141 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 us20005l8g Id of event.
Event Code 20005l8g An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak13491763,us20005l8g, A comma-separated list of event ids that are associated to an event.

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