Light earthquake, 4.9 mag has occurred near Adak in Alaska

A light earthquake magnitude 4.9 (ml/mb) has struck on Saturday, 78 km SSE of Adak, Alaska (48 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Date and time of earthquake in UTC/GMT: 22/03/25 / 2025-03-22 12:59:20 / March 22, 2025 @ 12:59 pm. The temblor was detected at 12:59:20 / 12:59 pm (local time epicenter). Event id: ak0253q60zwn. Ids that are associated to the earthquake: ak0253q60zwn. Exact location, longitude -176.1709° West, latitude 51.2263° North, depth = 35.1 km. The earthquake occurred at a depth of 35.1 km (22 miles).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light earthquakes in the world each year. In the past 24 hours, there have been twenty-three, in the last 10 days fifty, in the past 30 days fifty-five and in the last 365 days three hundred and eighty-one earthquakes of magnitude 3.0 or greater that has struck near.

Questions or comments?

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 78 km SSE of Adak, Alaska. This data comes from the USGS Earthquake Notification Service.

Adak Alaska

More information

Parameter	Value	Description
Magnitude	4.9 mb	The magnitude for the event.
Longitude	-176.1709° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.2263° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	35.1 km	Depth of the event in kilometers.
Place	78 km SSE 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	2025-03-22 12:59:20	Time when the event occurred. UTC/GMT
Updated	2025-03-22 13:13:15	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	3.243	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	369	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	ak	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,ak,	A comma-separated list of network contributors.
Number of Stations Used		The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance		Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.61 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap		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	ak0253q60zwn	Id of event.
Event Code	0253q60zwn	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak0253q60zwn,	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

Light earthquake, 4.9 mag has occurred near Adak in Alaska

Questions or comments?

More information

Leave a ReplyCancel reply

Follow us!

Tsunami videos

Categories

Information