Minor earthquake, 3.7 mag strikes near Attu Station in Alaska

A minor earthquake magnitude 3.7 (ml/mb) strikes 156 km SE of Attu Station, Alaska (97 miles) on Sunday. The 3.7-magnitude earthquake was detected at 12:50:51 / 12:50 pm (local time epicenter). The earthquake was roughly at a depth of 9.6 km (6 miles). Exact location of event, longitude 174.7132 East, latitude 51.7948 North, depth = 9.6 km. Unique identifier: ak0255pa32ax. Ids that are associated to the event: ak0255pa32ax. Date and time of earthquake in UTC/GMT: 04/05/25 / 2025-05-04 12:50:51 / May 4, 2025 @ 12:50 pm.

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

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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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 156 km SE of Attu Station, Alaska. This data comes from the USGS Earthquake Notification Service.

Alaska Attu Station

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Parameter	Value	Description
Magnitude	3.7 mb	The magnitude for the event.
Longitude	174.7132° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.7948° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	9.6 km	Depth of the event in kilometers.
Place	156 km SE 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	2025-05-04 12:50:51	Time when the event occurred. UTC/GMT
Updated	2025-05-12 06:34:18	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	211	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	0.98 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	ak0255pa32ax	Id of event.
Event Code	0255pa32ax	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak0255pa32ax,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.7 mag strikes near Attu Station in Alaska

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