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Moderate earthquake: M5.4 quake has struck near Amatignak Island in Alaska

Posted by admin on February 8, 2018 0 Comments

Earthquake location 51.18S, -179.595WA moderate earthquake magnitude 5.4 (ml/mb) strikes 35 km WSW of Amatignak Island, Alaska (22 miles) on Wednesday. Date and time of earthquake in UTC/GMT: 08/02/18 / 2018-02-08 11:03:55 / February 8, 2018 @ 11:03 am. Exact location of event, depth 300 km, -179.595° West, 51.18° North. The earthquake occurred at a depth of 300 km (186 miles) below the earth’s surface. The 5.4-magnitude earthquake was detected at 23:03:55 / 11:03 pm (local time epicenter). Id of earthquake: at00p3tw2j. Event ids that are associated: at00p3tw2j. A tsunami warning has been issued near Amatignak Island in Alaska (Does not indicate if a tsunami actually did or will exist).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days four and in the last 365 days six hundred and eighty-nine earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. Each year there are an estimated 1320 moderate earthquakes in the world.

How would you describe the shaking?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 35 km WSW of Amatignak Island, Alaska.

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More information

Parameter Value Description
Magnitude 5.4 mb The magnitude for the event.
Longitude -179.595° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.18° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 300 km Depth of the event in kilometers.
Place 35km 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 2018-02-08 11:03:55 Time when the event occurred. UTC/GMT
Updated 2018-02-08 11:09:48 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 449 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 53 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.8021955 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.85 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 269.9999784 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 at00p3tw2j Id of event.
Event Code 00p3tw2j An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00p3tw2j, A comma-separated list of event ids that are associated to an event.

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