Light earthquake: M4.5 quake has struck near Adak in Alaska

A light earthquake magnitude 4.5 (ml/mb) has struck on Saturday, 262 km WSW of Adak, Alaska (163 miles). Exact location of earthquake, longitude 179.6225 East, latitude 51.4653 North, depth = 64.4 km. Exact time and date of event in UTC/GMT: 13/09/25 / 2025-09-13 01:58:55 / September 13, 2025 @ 1:58 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 64.4 km (40 miles). The temblor was reported at 01:58:55 / 1:58 am (local time epicenter). Event id: ak025breitw1. Ids that are associated to the earthquake: ak025breitw1.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light quakes in the world. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days seven and in the last 365 days one hundred and six earthquakes of magnitude 3.0 or greater that has struck near.

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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 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: 262 km WSW of Adak, Alaska.

Adak Alaska

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Parameter	Value	Description
Magnitude	4.5 mb	The magnitude for the event.
Longitude	179.6225° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.4653° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	64.4 km	Depth of the event in kilometers.
Place	262 km WSW 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	2025-09-13 01:58:55	Time when the event occurred. UTC/GMT
Updated	2025-09-13 02:11:31	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	2.313	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	312	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	0.56 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	ak025breitw1	Id of event.
Event Code	025breitw1	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak025breitw1,	A comma-separated list of event ids that are associated to an event.

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Light earthquake: M4.5 quake has struck near Adak in Alaska

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