Moderate earthquake, 5.4 mag has occurred near Sand Point in Alaska

A moderate earthquake with magnitude 5.4 (ml/mb) was detected on Saturday, 138 km SSE of Sand Point, Alaska (86 miles). Unique identifier: at00swevfr. Ids that are associated to the event: at00swevfr, ak0256atm1he. The epicenter was at a depth of 31 km (19 miles). Exact time and date of earthquake 17/05/25 / 2025-05-17 15:09:27 / May 17, 2025 @ 3:09 pm UTC/GMT. The temblor was reported at 15:09:27 / 3:09 pm (local time epicenter). A tsunami warning has been issued near Sand Point in Alaska (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, -159.824° West, 54.156° North, depth 31 km.

In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days seventeen and in the last 365 days seventy-five earthquakes of magnitude 3.0 or greater that has occurred nearby. Each year there are an estimated 1320 moderate quakes in the world. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures.

Did you feel the quake?

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. 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: 138 km SSE of Sand Point, Alaska.

Alaska Sand Point

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Parameter	Value	Description
Magnitude	5.4 mb	The magnitude for the event.
Longitude	-159.824° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	54.156° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	31 km	Depth of the event in kilometers.
Place	138 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	2025-05-17 15:09:27	Time when the event occurred. UTC/GMT
Updated	2025-05-17 15:14:42	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	3.336	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	449	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,ak,	A comma-separated list of network contributors.
Number of Stations Used	66	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.6890078	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.89 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	194.399984448	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	at00swevfr	Id of event.
Event Code	00swevfr	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,at00swevfr,ak0256atm1he,	A comma-separated list of event ids that are associated to an event.

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Moderate earthquake, 5.4 mag has occurred near Sand Point in Alaska

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