Minor earthquake, 3.8 mag has occurred near Adak in Alaska

A minor earthquake magnitude 3.8 (ml/mb) has struck on Wednesday, 11 km SE of Adak, Alaska (7 miles). The earthquake occurred at a depth of 78.604 km (49 miles) below the earth’s surface. Exact location of earthquake, longitude -176.5333 West, latitude 51.7889 North, depth = 78.604 km. Global time and date of event 23/04/25 / 2025-04-23 13:09:42 / April 23, 2025 @ 1:09 pm UTC/GMT. Id of earthquake: us7000puja. Event ids that are associated: ak025573ivmi, us7000puja. The 3.8-magnitude earthquake was detected at 13:09:42 / 1:09 pm (local time epicenter).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been two, in the last 10 days four, in the past 30 days twenty-nine and in the last 365 days three hundred and seventy-eight earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 130,000 minor quakes in the world.

Questions or comments?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. 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: 11 km SE of Adak, Alaska.

Adak Alaska

More information

Parameter	Value	Description
Magnitude	3.8 mb	The magnitude for the event.
Longitude	-176.5333° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.7889° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	78.604 km	Depth of the event in kilometers.
Place	11 km SE 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	2025-04-23 13:09:42	Time when the event occurred. UTC/GMT
Updated	2025-04-30 12:47:32	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	3.274	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	222	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	us	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,ak,us,	A comma-separated list of network contributors.
Number of Stations Used	75	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.108	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.46 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	174	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	mb	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	us7000puja	Id of event.
Event Code	7000puja	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak025573ivmi,us7000puja,	A comma-separated list of event ids that are associated to an event.

Earthquakes today

Current and latest world earthquakes breaking news, activity and articles today

Minor earthquake, 3.8 mag has occurred near Adak in Alaska

Questions or comments?

More information

Leave a ReplyCancel reply

Follow us!

Tsunami videos

Categories

Information