Minor earthquake 3.3 mag, 172 km E of Atka, Alaska

A minor earthquake magnitude 3.3 (ml/mb) strikes 172 km E of Atka, Alaska (107 miles) on Saturday. Global time and date of event 19/07/25 / 2025-07-19 03:14:01 / July 19, 2025 @ 3:14 am UTC/GMT. Id of earthquake: us6000qzyd. Event ids that are associated: ak02596tcpod, us6000qzyd. The earthquake was roughly at a depth of 125.213 km (78 miles). The temblor was reported at 03:14:01 / 3:14 am (local time epicenter). Exact location of earthquake, longitude -171.7111 West, latitude 52.4463 North, depth = 125.213 km.

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 six, in the past 30 days fifteen and in the last 365 days one hundred and fourty-six earthquakes of magnitude 3.0 or greater that have been detected nearby. There are an estimated 130,000 minor quakes 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 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: 172 km E of Atka, Alaska.

Alaska Atka

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Parameter	Value	Description
Magnitude	3.3 mb	The magnitude for the event.
Longitude	-171.7111° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	52.4463° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	125.213 km	Depth of the event in kilometers.
Place	172 km E 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	2025-07-19 03:14:01	Time when the event occurred. UTC/GMT
Updated	2025-08-12 22:54:16	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	168	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	1.116	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.45 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	186	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	us6000qzyd	Id of event.
Event Code	6000qzyd	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak02596tcpod,us6000qzyd,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 3.3 mag, 172 km E of Atka, Alaska

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