Minor earthquake, 3.7 mag was detected near Adak in Alaska

A minor earthquake with magnitude 3.7 (ml/mb) was detected on Saturday, 15 km SE of Adak, Alaska (9 miles). The epicenter was at a depth of 98.984 km (62 miles). Exact time and date of earthquake 16/08/25 / 2025-08-16 09:49:18 / August 16, 2025 @ 9:49 am UTC/GMT. Event id: us6000r1ks. Ids that are associated to the earthquake: us6000r1ks. Exact location of event, longitude -176.452 West, latitude 51.7985 North, depth = 98.984 km. The 3.7-magnitude earthquake has occurred at 09:49:18 / 9:49 am (local time epicenter).

Each year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days ten and in the last 365 days three hundred and ninety-seven earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 3.0 to 4.0 are often felt, but only causes minor 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. 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: 15 km SE of Adak, Alaska.

Adak Alaska

More information

Parameter	Value	Description
Magnitude	3.7 mb	The magnitude for the event.
Longitude	-176.452° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.7985° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	98.984 km	Depth of the event in kilometers.
Place	15 km SE of Adak, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-08-16 09:49:18	Time when the event occurred. UTC/GMT
Updated	2025-08-17 05:04:57	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	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,	A comma-separated list of network contributors.
Number of Stations Used	14	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.383	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.31 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	188	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	us6000r1ks	Id of event.
Event Code	6000r1ks	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000r1ks,	A comma-separated list of event ids that are associated to an event.

Earthquakes today

Current and latest world earthquakes breaking news, activity and articles today

Minor earthquake, 3.7 mag was detected near Adak in Alaska

Questions or comments?

More information

Leave a ReplyCancel reply

Follow us!

Tsunami videos

Categories

Information