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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4 mag, 101 km WSW of Amatignak Island, Alaska



Earthquake location 50.9725S, 179.5123WA light earthquake with magnitude 4 (ml/mb) was reported 101 km WSW of Amatignak Island, Alaska (63 miles) on Monday. The temblor was picked up at 07:37:51 / 7:37 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Date and time of earthquake in UTC/GMT: 10/04/16 / 2016-04-10 19:37:51 / April 10, 2016 @ 7:37 pm. Exact location, longitude 179.5123° East, latitude 50.9725° North, depth = 22.3 km. The epicenter was at a depth of 22.3 km (14 miles). Id of earthquake: ak13485849. Event ids that are associated: ak13485849.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been fourteen, in the last 10 days fourteen, in the past 30 days seventeen and in the last 365 days seventy-seven earthquakes of magnitude 3.0 or greater that was reported nearby. There are an estimated 13,000 light quakes in the world each year.

Did you feel it?

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. 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: 101 km WSW of Amatignak Island, Alaska.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 179.5123° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 50.9725° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 22.3 km Depth of the event in kilometers.
Place 101km 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 19:37:51 Time when the event occurred. UTC/GMT
Updated 2016-04-18 19:17:21 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 246 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 0.34 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 ak13485849 Id of event.
Event Code 13485849 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak13485849, A comma-separated list of event ids that are associated to an event.

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