Strong earthquake, 6.3 mag has occurred near Adak in Alaska

A earthquake magnitude 6.3 (ml/mb) has occurred on Monday, 100 km SSW of Adak, Alaska (62 miles). Unique identifier: at00so7b4y. Ids that are associated to the event: at00so7b4y. Exact location of event, depth 19 km, -177.428° West, 51.123° North. A tsunami warning has been issued near Adak in Alaska (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 19 km (12 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 09/12/24 / 2024-12-09 00:38:58 / December 9, 2024 @ 12:38 am. The 6.3-magnitude earthquake was detected at 00:38:58 / 12:38 am (local time epicenter).

Earthquakes 6.0 to 6.9 may cause a lot of damage in very populated areas. There are an estimated 135 earthquakes in the world each year. In the past 24 hours, there have been nineteen, in the last 10 days twenty, in the past 30 days twenty-five and in the last 365 days one hundred and twelve earthquakes of magnitude 3.0 or greater that have been detected in the same area.

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Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 100 km SSW of Adak, Alaska.

Adak Alaska

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Parameter	Value	Description
Magnitude	6.3 mb	The magnitude for the event.
Longitude	-177.428° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.123° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	19 km	Depth of the event in kilometers.
Place	100 km SSW of Adak, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2024-12-09 00:38:58	Time when the event occurred. UTC/GMT
Updated	2024-12-09 00:43:40	Time when the event was most recently updated. UTC/GMT
Timezone offset		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	611	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	27	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.8507046	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.06 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	208.799983296	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	at00so7b4y	Id of event.
Event Code	00so7b4y	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,at00so7b4y,	A comma-separated list of event ids that are associated to an event.

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Strong earthquake, 6.3 mag has occurred near Adak in Alaska

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