Moderate earthquake 5.8267130005198 mag, 65 km SSW of Adak, Alaska

A moderate earthquake magnitude 5.8267130005198 (ml/mb) has struck on Sunday, 65 km SSW of Adak, Alaska (40 miles). The 5.8267130005198-magnitude earthquake was detected at 08:21:45 / 8:21 am (local time epicenter). Event ids that are associated to the earthquake: ak2025xbbjhg. Id of event: ak2025xbbjhg. 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: 23/11/25 / 2025-11-23 08:21:45 / November 23, 2025 @ 8:21 am. The earthquake was roughly at a depth of 24.130283355713 km (15 miles). Exact location of event, depth 24.130283355713 km, -177.01112365723° West, 51.337677001953° North.

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 four, in the past 30 days eight and in the last 365 days five hundred and fourty-two earthquakes of magnitude 3.0 or greater that was reported nearby. There are an estimated 1320 moderate quakes in the world each year.

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What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city 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: 65 km SSW of Adak, Alaska.

Adak Alaska

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Parameter	Value	Description
Magnitude	5.8267130005198 mb	The magnitude for the event.
Longitude	-177.01112365723° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.337677001953° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	24.130283355713 km	Depth of the event in kilometers.
Place	65 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	2025-11-23 08:21:45	Time when the event occurred. UTC/GMT
Updated	2025-11-23 08:33:19	Time when the event was most recently updated. UTC/GMT
Timezone offset		Timezone offset from UTC in minutes at the event epicenter.
Felt	1	The total number of felt reports
CDI	3.1	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	523	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	147	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.44693157076836	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.1254113767875 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	203.16840362549	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	ak2025xbbjhg	Id of event.
Event Code	2025xbbjhg	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak2025xbbjhg,	A comma-separated list of event ids that are associated to an event.

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Moderate earthquake 5.8267130005198 mag, 65 km SSW of Adak, Alaska

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