Minor earthquake, 3.45 mag strikes near Adak in Alaska

A minor earthquake magnitude 3.45 (ml/mb) has struck on Wednesday, 129 km WSW of Adak, Alaska (80 miles). All ids that are associated to the event: av93591971. Unique identifier: av93591971. The temblor was picked up at 16:22:38 / 4:22 pm (local time epicenter). The earthquake was roughly at a depth of 10.45 km (6 miles). Exact time and date of earthquake 30/04/25 / 2025-04-30 16:22:38 / April 30, 2025 @ 4:22 pm UTC/GMT. Exact location of earthquake, -178.45666666667° West, 51.617166666667° North, depth 10.45 km.

Each year there are an estimated 130,000 minor quakes in the world. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days sixteen and in the last 365 days two hundred and fourty-seven earthquakes of magnitude 3.0 or greater that has occurred nearby.

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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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 129 km WSW of Adak, Alaska. This data comes from the USGS Earthquake Notification Service.

Adak Alaska

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Parameter	Value	Description
Magnitude	3.45 mb	The magnitude for the event.
Longitude	-178.45666666667° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.617166666667° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10.45 km	Depth of the event in kilometers.
Place	129 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	2025-04-30 16:22:38	Time when the event occurred. UTC/GMT
Updated	2025-04-30 21:58:16	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	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	183	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	av	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,av,	A comma-separated list of network contributors.
Number of Stations Used	17	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.2319	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.24 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	177	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	av93591971	Id of event.
Event Code	93591971	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,av93591971,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.45 mag strikes near Adak in Alaska

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