Minor earthquake, 3.6 mag strikes near Atka in Alaska

A minor earthquake with magnitude 3.6 (ml/mb) was detected on Thursday, 94 km SW of Atka, Alaska (58 miles). Date and time of earthquake in UTC/GMT: 10/04/25 / 2025-04-10 12:09:34 / April 10, 2025 @ 12:09 pm. All ids that are associated to the event: ak0254lkxwms, us6000q58y. Unique identifier: us6000q58y. The epicenter of the earthquake was roughly 34.89 km (22 miles) below the earth’s surface. Exact location of event, depth 34.89 km, -175.2328° West, 51.6373° North. The temblor was reported at 12:09:34 / 12:09 pm (local time epicenter).

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

How would you describe the shaking?

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: 94 km SW of Atka, Alaska.

Alaska Atka

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Parameter	Value	Description
Magnitude	3.6 mb	The magnitude for the event.
Longitude	-175.2328° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.6373° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	34.89 km	Depth of the event in kilometers.
Place	94 km SW of Atka, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-04-10 12:09:34	Time when the event occurred. UTC/GMT
Updated	2025-05-07 12:37:49	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	199	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	53	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.554	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.91 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	199	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	us6000q58y	Id of event.
Event Code	6000q58y	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak0254lkxwms,us6000q58y,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.6 mag strikes near Atka in Alaska

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