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

A minor earthquake magnitude 3.9 (ml/mb) has struck on Tuesday, 40 km SE of Akutan, Alaska (25 miles). Exact time and date of event in UTC/GMT: 21/12/16 / 2016-12-21 03:49:30 / December 21, 2016 @ 3:49 am. The 3.9-magnitude earthquake has occurred at 18:49:30 / 6:49 pm (local time epicenter). The earthquake occurred at a depth of 62.38 km (39 miles). Exact location of event, depth 62.38 km, -165.2793° West, 53.9135° North. Id of earthquake: us10007met. Event ids that are associated: ak14774174, us10007met.

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Every year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been twelve, in the last 10 days nineteen, in the past 30 days twenty and in the last 365 days one hundred and nine earthquakes of magnitude 3.0 or greater that has occurred nearby.

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Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 40 km SE of Akutan, Alaska.

Akutan Alaska

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Parameter	Value	Description
Magnitude	3.9 mb	The magnitude for the event.
Longitude	-165.2793° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	53.9135° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	62.38 km	Depth of the event in kilometers.
Place	40km SE of Akutan, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2016-12-21 03:49:30	Time when the event occurred. UTC/GMT
Updated	2017-01-20 03:35:30	Time when the event was most recently updated. UTC/GMT
Timezone offset	-540	Timezone offset from UTC in minutes at the event epicenter.
Felt	1	The total number of felt reports
CDI	2.2	The maximum reported intensity for the event.
MMI	2.7	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	,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	0.365	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.72 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	185	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	us10007met	Id of event.
Event Code	10007met	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak14774174,us10007met,	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 Akutan in Alaska

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