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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.2 mag, 91 km WSW of Amatignak Island, Alaska



Earthquake location 50.9542S, 179.6762WA light earthquake with magnitude 4.2 (ml/mb) was reported 91 km WSW of Amatignak Island, Alaska (57 miles) on Monday. The 4.2-magnitude earthquake has occurred at 07:46:39 / 7:46 am (local time epicenter). Global date and time of event UTC/GMT: 10/04/16 / 2016-04-10 19:46:39 / April 10, 2016 @ 7:46 pm. Unique identifier: us20005gus. Ids that are associated to the event: us20005gus. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, depth 48.29 km, 179.6762° East, 50.9542° North. The earthquake occurred at a depth of 48.29 km (30 miles) below the earth’s surface.

In the past 24 hours, there have been three, in the last 10 days three, in the past 30 days six and in the last 365 days fifty-nine earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light quakes in the world.

Questions or comments?

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: 91 km WSW of Amatignak Island, Alaska.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 179.6762° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 50.9542° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 48.29 km Depth of the event in kilometers.
Place 91km WSW of Amatignak 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 2016-04-10 19:46:39 Time when the event occurred. UTC/GMT
Updated 2016-04-10 20:11:43 Time when the event was most recently updated. UTC/GMT
Timezone offset 720 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 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 ,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 2.18 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.77 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 218 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 us20005gus Id of event.
Event Code 20005gus An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20005gus, A comma-separated list of event ids that are associated to an event.

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