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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4 mag, 63 km S of Amatignak Island, Alaska

Posted by admin on April 16, 2019 0 Comments

Earthquake location 50.6985S, -179.2475WA light earthquake magnitude 4 (ml/mb) has occurred on Saturday, 63 km S of Amatignak Island, Alaska (39 miles). Exact location of event, longitude -179.2475 West, latitude 50.6985 North, depth = 10 km. Date and time of earthquake in UTC/GMT: 13/04/19 / 2019-04-13 17:54:24 / April 13, 2019 @ 5:54 pm. The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. Id of earthquake: us700035k9. Event ids that are associated: ak0194qmsrwy, us700035k9. The 4-magnitude earthquake has occurred at 05:54:24 / 5:54 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days six and in the last 365 days one hundred and ten earthquakes of magnitude 3.0 or greater that has struck near. Each year there are an estimated 13,000 light quakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 63 km S of Amatignak Island, Alaska.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -179.2475° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 50.6985° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 63km S 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 2019-04-13 17:54:24 Time when the event occurred. UTC/GMT
Updated 2019-04-16 15:04:22 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 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 1.104 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.78 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 236 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 us700035k9 Id of event.
Event Code 700035k9 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak0194qmsrwy,us700035k9, A comma-separated list of event ids that are associated to an event.

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