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Light earthquake: M4.2 quake has struck near Amukta Island in Alaska

Posted by admin on May 20, 2019 0 Comments

Earthquake location 53.0787S, -172.5102WA light earthquake magnitude 4.2 (ml/mb) has occurred on Sunday, 106 km NW of Amukta Island, Alaska (66 miles). The epicenter was at a depth of 137 km (85 miles). Event ids that are associated to the earthquake: ak0196fpasin. Id of event: ak0196fpasin. Exact location of event, longitude -172.5102 West, latitude 53.0787 North, depth = 137 km. The 4.2-magnitude earthquake was detected at 22:18:04 / 10:18 pm (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: 20/05/19 / 2019-05-20 10:18:04 / May 20, 2019 @ 10:18 am.

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

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: 106 km NW of Amukta Island, Alaska.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -172.5102° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 53.0787° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 137 km Depth of the event in kilometers.
Place 106km NW 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 2019-05-20 18:48:05 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 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 1.18 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 ak0196fpasin Id of event.
Event Code 0196fpasin An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak0196fpasin, A comma-separated list of event ids that are associated to an event.

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