Minor earthquake, 3.7 mag strikes near Amukta Island in Alaska

A minor earthquake magnitude 3.7 (ml/mb) strikes 50 km SSE of Amukta Island, Alaska (31 miles) on Wednesday. The temblor was reported at 13:10:51 / 1:10 pm (local time epicenter). The earthquake occurred at a depth of 42.27 km (26 miles). Exact location of earthquake, -170.9541° West, 52.0795° North, depth 42.27 km. Exact time and date of earthquake 21/12/17 / 2017-12-21 00:10:51 / December 21, 2017 @ 12:10 am UTC/GMT. Unique identifier: us1000bu2c. Ids that are associated to the event: ak17624225, us1000bu2c.

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

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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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 50 km SSE of Amukta Island, Alaska. This information comes from the USGS Earthquake Notification Service.

Alaska Amukta Island

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Parameter	Value	Description
Magnitude	3.7 mb	The magnitude for the event.
Longitude	-170.9541° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	52.0795° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	42.27 km	Depth of the event in kilometers.
Place	50km SSE of Amukta Island, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2017-12-21 00:10:51	Time when the event occurred. UTC/GMT
Updated	2017-12-21 00:50:01	Time when the event was most recently updated. UTC/GMT
Timezone offset	-660	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	211	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	,ak,us,	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	0.987	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.1 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	182	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	us1000bu2c	Id of event.
Event Code	1000bu2c	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak17624225,us1000bu2c,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.7 mag strikes near Amukta Island in Alaska

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