Minor earthquake 3.7 mag, 87 km S of Sand Point, Alaska

A minor earthquake with magnitude 3.7 (ml/mb) was detected on Friday, 87 km S of Sand Point, Alaska (54 miles). The epicenter was at a depth of 35 km (22 miles). Exact location of earthquake, longitude -160.4396 West, latitude 54.5476 North, depth = 35 km. Exact time and date of event in UTC/GMT: 18/07/25 / 2025-07-18 02:00:12 / July 18, 2025 @ 2:00 am. The temblor was detected at 02:00:12 / 2:00 am (local time epicenter). All ids that are associated to the event: us7000qdc1, ak0259554yo7. Unique identifier: us7000qdc1.

In the past 24 hours, there have been thirty-seven, in the last 10 days seventy, in the past 30 days seventy-three and in the last 365 days one hundred and eighty earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each 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.

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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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 87 km S of Sand Point, Alaska. This information comes from the USGS Earthquake Notification Service.

Alaska Sand Point

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Parameter	Value	Description
Magnitude	3.7 mb	The magnitude for the event.
Longitude	-160.4396° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	54.5476° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	35 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	2025-07-18 02:00:12	Time when the event occurred. UTC/GMT
Updated	2025-07-19 01:54:01	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	1.969	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	211	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,ak,	A comma-separated list of network contributors.
Number of Stations Used	52	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.569	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.14 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	193	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	us7000qdc1	Id of event.
Event Code	7000qdc1	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000qdc1,ak0259554yo7,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 3.7 mag, 87 km S of Sand Point, Alaska

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