Minor earthquake, 3.4 mag was detected near Attu Station in Alaska

A minor earthquake magnitude 3.4 (ml/mb) strikes 263 km ESE of Attu Station, Alaska (163 miles) on Sunday. Exact location of event, longitude 176.5828 East, latitude 51.7145 North, depth = 26.921 km. Unique identifier: us6000pye5. Ids that are associated to the event: ak0252633bol, us6000pye5. Global time and date of event 16/02/25 / 2025-02-16 21:55:41 / February 16, 2025 @ 9:55 pm UTC/GMT. The earthquake occurred at a depth of 26.921 km (17 miles) below the earth’s surface. The 3.4-magnitude earthquake was detected at 21:55:41 / 9:55 pm (local time epicenter).

Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. In the past 24 hours, there have been four, in the last 10 days five, in the past 30 days eight and in the last 365 days thirty-nine earthquakes of magnitude 3.0 or greater that has occurred nearby. Every year there are an estimated 130,000 minor earthquakes in the world.

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How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage 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: 263 km ESE of Attu Station, Alaska.

Alaska Attu Station

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Parameter	Value	Description
Magnitude	3.4 mb	The magnitude for the event.
Longitude	176.5828° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.7145° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	26.921 km	Depth of the event in kilometers.
Place	263 km ESE of Attu Station, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-02-16 21:55:41	Time when the event occurred. UTC/GMT
Updated	2025-03-12 21:14:12	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	178	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	22	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.219	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.69 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	204	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	us6000pye5	Id of event.
Event Code	6000pye5	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak0252633bol,us6000pye5,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.4 mag was detected near Attu Station in Alaska

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