Light earthquake: M4 quake has struck near Adak in Alaska

A light earthquake with magnitude 4 (ml/mb) was reported 146 km WSW of Adak, Alaska (91 miles) on Thursday. Global date and time of event UTC/GMT: 26/09/24 / 2024-09-26 20:52:40 / September 26, 2024 @ 8:52 pm. The earthquake occurred at a depth of 25.1 km (16 miles) below the earth’s surface. Exact location of earthquake, -178.4766° West, 51.2313° North, depth 25.1 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 20:52:40 / 8:52 pm (local time epicenter). Event id: ak024cevblob. Ids that are associated to the earthquake: ak024cevblob.

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

Did you feel the quake?

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 146 km WSW of Adak, Alaska. This data comes from the USGS Earthquake Notification Service.

Adak Alaska

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Parameter	Value	Description
Magnitude	4 mb	The magnitude for the event.
Longitude	-178.4766° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.2313° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	25.1 km	Depth of the event in kilometers.
Place	146 km WSW 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	2024-09-26 20:52:40	Time when the event occurred. UTC/GMT
Updated	2024-09-26 21:29:51	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	3.043	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	246	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	0.53 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	ak024cevblob	Id of event.
Event Code	024cevblob	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak024cevblob,	A comma-separated list of event ids that are associated to an event.

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Light earthquake: M4 quake has struck near Adak in Alaska

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