Minor earthquake: M3.9 quake has struck near Attu Station in Alaska

A minor earthquake magnitude 3.9 (ml/mb) has occurred on Sunday, 122 km WSW of Attu Station, Alaska (76 miles). Event ids that are associated to the earthquake: us6000mwr5. Id of event: us6000mwr5. Exact time and date of event in UTC/GMT: 28/04/24 / 2024-04-28 08:03:40 / April 28, 2024 @ 8:03 am. The temblor was reported at 08:03:40 / 8:03 am (local time epicenter). Exact location of event, longitude 171.4474 East, latitude 52.5502 North, depth = 10 km. The epicenter was at a depth of 10 km (6 miles).

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

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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: 122 km WSW of Attu Station, Alaska. This data comes from the USGS Earthquake Notification Service.

Alaska Attu Station

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Parameter	Value	Description
Magnitude	3.9 mb	The magnitude for the event.
Longitude	171.4474° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	52.5502° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	122 km WSW of Attu Station, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2024-04-28 08:03:40	Time when the event occurred. UTC/GMT
Updated	2024-05-17 11:15:24	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	234	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	36	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.626	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.88 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	196	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	us6000mwr5	Id of event.
Event Code	6000mwr5	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000mwr5,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.9 quake has struck near Attu Station in Alaska

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