Major earthquake, 7.2 mag has occurred near Sand Point in Alaska

A major earthquake with magnitude 7.2 (ml/mb) was detected on Wednesday, 87 km S of Sand Point, Alaska (54 miles). The temblor was detected at 20:37:40 / 8:37 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 16/07/25 / 2025-07-16 20:37:40 / July 16, 2025 @ 8:37 pm. A tsunami warning has been issued near Sand Point in Alaska (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 36 km (22 miles) below the earth’s surface. Exact location of event, depth 36 km, -160.344° West, 54.553° North. Event ids that are associated to the earthquake: at00sziems. Id of event: at00sziems.

There are an estimated 15 major earthquakes in the world each year. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days four and in the last 365 days one hundred and thirteen earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 7.0 to 7.9 may cause serious damage.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 87 km S of Sand Point, Alaska.

Alaska Sand Point

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Parameter	Value	Description
Magnitude	7.2 mb	The magnitude for the event.
Longitude	-160.344° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	54.553° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	36 km	Depth of the event in kilometers.
Place	87 km S 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	2025-07-16 20:37:40	Time when the event occurred. UTC/GMT
Updated	2025-07-16 20:46:49	Time when the event was most recently updated. UTC/GMT
Timezone offset		Timezone offset from UTC in minutes at the event epicenter.
Felt	1	The total number of felt reports
CDI	2	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	1	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	798	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	at	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,at,	A comma-separated list of network contributors.
Number of Stations Used	86	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.36 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	172.799986176	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	Mi	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	at00sziems	Id of event.
Event Code	00sziems	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,at00sziems,	A comma-separated list of event ids that are associated to an event.

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Major earthquake, 7.2 mag has occurred near Sand Point in Alaska

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