Minor earthquake 3.5 mag, 298 km ESE of Attu Station, Alaska

A minor earthquake with magnitude 3.5 (ml/mb) was detected on Thursday, 298 km ESE of Attu Station, Alaska (185 miles). Date and time of earthquake in UTC/GMT: 29/05/25 / 2025-05-29 16:16:03 / May 29, 2025 @ 4:16 pm. All ids that are associated to the event: ak0256uop3ut, us6000qi23. Unique identifier: us6000qi23. The earthquake was roughly at a depth of 49.508 km (31 miles). Exact location of earthquake, longitude 176.9367 East, latitude 51.4753 North, depth = 49.508 km. The 3.5-magnitude earthquake has occurred at 16:16:03 / 4:16 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 three, in the last 10 days five, in the past 30 days nine and in the last 365 days seventy-six earthquakes of magnitude 3.0 or greater that have been detected nearby. There are an estimated 130,000 minor earthquakes in the world each year.

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How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. 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: 298 km ESE of Attu Station, Alaska.

Alaska Attu Station

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Parameter	Value	Description
Magnitude	3.5 mb	The magnitude for the event.
Longitude	176.9367° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.4753° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	49.508 km	Depth of the event in kilometers.
Place	298 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	2025-05-29 16:16:03	Time when the event occurred. UTC/GMT
Updated	2025-06-16 16:16:21	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	188	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	21	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.088	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.79 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	297	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	us6000qi23	Id of event.
Event Code	6000qi23	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak0256uop3ut,us6000qi23,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 3.5 mag, 298 km ESE of Attu Station, Alaska

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