Minor earthquake, 3.8 mag was detected near Adak in Alaska

A minor earthquake magnitude 3.8 (ml/mb) has struck on Saturday, 61 km WSW of Adak, Alaska (38 miles). The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. The 3.8-magnitude earthquake has occurred at 06:33:47 / 6:33 am (local time epicenter). Exact location of event, depth 10 km, -177.4638° West, 51.6666° North. Date and time of earthquake in UTC/GMT: 20/04/24 / 2024-04-20 06:33:47 / April 20, 2024 @ 6:33 am. All ids that are associated to the event: av93097196, ak02453ofaqv, us7000mdhs. Unique identifier: us7000mdhs.

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been fifteen, in the last 10 days twenty, in the past 30 days twenty and in the last 365 days twenty earthquakes of magnitude 3.0 or greater that was reported nearby. Each year there are an estimated 130,000 minor earthquakes in the world.

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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: 61 km WSW 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	-177.4638° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.6666° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	61 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	2024-04-20 06:33:47	Time when the event occurred. UTC/GMT
Updated	2024-05-08 04:54:28	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	3.558	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	,av,ak,us,	A comma-separated list of network contributors.
Number of Stations Used	29	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.171	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.28 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	us7000mdhs	Id of event.
Event Code	7000mdhs	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,av93097196,ak02453ofaqv,us7000mdhs,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.8 mag was detected near Adak in Alaska

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