Minor earthquake, 3.5 mag has occurred near False Pass in Alaska

A minor earthquake with magnitude 3.5 (ml/mb) was reported 166 km S of False Pass, Alaska (103 miles) on Wednesday. Exact location of event, depth 35 km, -163.3409° West, 53.3616° North. Event id: us6000qwnb. Ids that are associated to the earthquake: ak0259p88sxe, us6000qwnb. Date and time of earthquake in UTC/GMT: 30/07/25 / 2025-07-30 16:54:25 / July 30, 2025 @ 4:54 pm. The epicenter of the earthquake was roughly 35 km (22 miles) below the earth’s surface. The temblor was detected at 16:54:25 / 4:54 pm (local time epicenter).

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

Did you feel the quake?

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: 166 km S of False Pass, Alaska.

Alaska False Pass

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Parameter	Value	Description
Magnitude	3.5 mb	The magnitude for the event.
Longitude	-163.3409° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	53.3616° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	35 km	Depth of the event in kilometers.
Place	166 km S of False Pass, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-07-30 16:54:25	Time when the event occurred. UTC/GMT
Updated	2025-07-30 21:32:31	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	32	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.307	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.87 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	206	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	us6000qwnb	Id of event.
Event Code	6000qwnb	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak0259p88sxe,us6000qwnb,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.5 mag has occurred near False Pass in Alaska

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