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Moderate earthquake: M5.5 quake has struck near Amatignak Island in Alaska

Posted by admin on September 9, 2019 0 Comments

Earthquake location 50.867S, -179.2889WA moderate earthquake magnitude 5.5 (ml/mb) has struck on Sunday, 45 km SSW of Amatignak Island, Alaska (28 miles). The epicenter was at a depth of 38 km (24 miles). The temblor was detected at 15:54:01 / 3:54 pm (local time epicenter). Exact location of earthquake, longitude -179.2889 West, latitude 50.867 North, depth = 38 km. A tsunami warning has been issued near Amatignak Island in Alaska (Does not indicate if a tsunami actually did or will exist). Exact time and date of event in UTC/GMT: 09/09/19 / 2019-09-09 03:54:01 / September 9, 2019 @ 3:54 am. Unique identifier: at00pxjpi1. Ids that are associated to the event: at00pxjpi1.

Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days ten and in the last 365 days one hundred and four earthquakes of magnitude 3.0 or greater that has struck near. There are an estimated 1320 moderate quakes in the world each year.

Did you feel the quake?

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. 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: 45 km SSW of Amatignak Island, Alaska.

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More information

Parameter Value Description
Magnitude 5.5 mb The magnitude for the event.
Longitude -179.2889° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 50.867° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 38 km Depth of the event in kilometers.
Place 45km SSW 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 2019-09-09 03:54:01 Time when the event occurred. UTC/GMT
Updated 2019-09-09 04:00:54 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 1 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 465 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network at The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,at, A comma-separated list of network contributors.
Number of Stations Used 100 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.09 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 305.99997552 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type Mi The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID at00pxjpi1 Id of event.
Event Code 00pxjpi1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00pxjpi1, A comma-separated list of event ids that are associated to an event.

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