Minor earthquake 3.8 mag, 117 km SW of Adak, Alaska

A minor earthquake with magnitude 3.8 (ml/mb) was detected on Wednesday, 117 km SW of Adak, Alaska (73 miles). Global time and date of event 11/12/24 / 2024-12-11 12:14:58 / December 11, 2024 @ 12:14 pm UTC/GMT. Unique identifier: us6000ph1z. Ids that are associated to the event: us6000ph1z. The 3.8-magnitude earthquake has occurred at 12:14:58 / 12:14 pm (local time epicenter). The earthquake occurred at a depth of 52.626 km (33 miles) below the earth’s surface. Exact location, longitude -177.6215° West, latitude 51.0215° North, depth = 52.626 km.

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. There are an estimated 130,000 minor earthquakes in the world each year. In the past 24 hours, there have been twenty-three, in the last 10 days one hundred and ninety-three, in the past 30 days one hundred and ninety-eight and in the last 365 days two hundred and eighty-eight earthquakes of magnitude 3.0 or greater that have been detected in the same area.

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Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 117 km SW of Adak, Alaska. This data comes from the USGS Earthquake Notification Service.

Adak Alaska

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Parameter	Value	Description
Magnitude	3.8 mb	The magnitude for the event.
Longitude	-177.6215° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.0215° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	52.626 km	Depth of the event in kilometers.
Place	117 km SW 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	2024-12-11 12:14:58	Time when the event occurred. UTC/GMT
Updated	2025-01-04 09:06:11	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	222	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	25	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.855	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.6 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	209	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	us6000ph1z	Id of event.
Event Code	6000ph1z	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000ph1z,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 3.8 mag, 117 km SW of Adak, Alaska

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