Minor earthquake, 3.3 mag strikes near Sand Point in Alaska

A minor earthquake magnitude 3.3 (ml/mb) has struck on Thursday, 99 km SSE of Sand Point, Alaska (62 miles). Global date and time of event UTC/GMT: 18/09/25 / 2025-09-18 08:25:59 / September 18, 2025 @ 8:25 am. The earthquake occurred at a depth of 34.328 km (21 miles). The temblor was detected at 08:25:59 / 8:25 am (local time epicenter). Exact location of event, longitude -159.7602 West, latitude 54.5537 North, depth = 34.328 km. Id of earthquake: us7000qww9. Event ids that are associated: us7000qww9.

There are an estimated 130,000 minor earthquakes in the world each year. In the past 24 hours, there have been two, in the last 10 days four, in the past 30 days twenty-one and in the last 365 days five hundred and eighty-nine earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage.

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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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 99 km SSE of Sand Point, Alaska. This information comes from the USGS Earthquake Notification Service.

Alaska Sand Point

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Parameter	Value	Description
Magnitude	3.3 mb	The magnitude for the event.
Longitude	-159.7602° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	54.5537° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	34.328 km	Depth of the event in kilometers.
Place	99 km SSE of Sand Point, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-09-18 08:25:59	Time when the event occurred. UTC/GMT
Updated	2025-09-18 08:33:17	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	,us,	A comma-separated list of network contributors.
Number of Stations Used	31	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.295	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.43 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	200	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	us7000qww9	Id of event.
Event Code	7000qww9	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000qww9,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.3 mag strikes near Sand Point in Alaska

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