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Light earthquake: M4.5 quake has struck near Amukta Island in Alaska

Posted by admin on May 21, 2019 0 Comments

Earthquake location 52.8008S, -172.4452WA light earthquake magnitude 4.5 (ml/mb) strikes 87 km WNW of Amukta Island, Alaska (54 miles) on Sunday. Exact location of earthquake, longitude -172.4452 West, latitude 52.8008 North, depth = 165.96 km. Date and time of earthquake in UTC/GMT: 20/05/19 / 2019-05-20 10:18:04 / May 20, 2019 @ 10:18 am. The 4.5-magnitude earthquake has occurred at 23:18:04 / 11:18 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: ak0196fpasin, us70003ngw. Id of event: us70003ngw. The earthquake was roughly at a depth of 165.96 km (103 miles).

There are an estimated 13,000 light quakes in the world each year. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days three and in the last 365 days fourty-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.

How would you describe the shaking?

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: 87 km WNW of Amukta Island, Alaska.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -172.4452° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.8008° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 165.96 km Depth of the event in kilometers.
Place 87km WNW 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 2019-05-20 10:18:04 Time when the event occurred. UTC/GMT
Updated 2019-05-21 06:20:35 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 312 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 1.227 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.19 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 152 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 us70003ngw Id of event.
Event Code 70003ngw An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak0196fpasin,us70003ngw, A comma-separated list of event ids that are associated to an event.

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