Minor earthquake 2.8 mag, 66 km WSW of Amatignak Island, Alaska

A minor earthquake with magnitude 2.8 (ml/mb) was detected on Tuesday, 66 km WSW of Amatignak Island, Alaska (41 miles). All ids that are associated to the event: ak12291526, us10004bc2. Unique identifier: us10004bc2. Exact location, longitude 179.9954° East, latitude 51.0615° North, depth = 6.65 km. Global date and time of event UTC/GMT: 21/12/15 / 2015-12-21 16:53:50 / December 21, 2015 @ 4:53 pm. The 2.8-magnitude earthquake was detected at 04:53:50 / 4:53 am (local time epicenter). The earthquake occurred at a depth of 6.65 km (4 miles).

Each year there are an estimated 1,300,000 minor quakes in the world. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days five and in the last 365 days sixty-four earthquakes of magnitude 3.0 or greater that was reported nearby.

How would you describe the shaking?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 66 km WSW of Amatignak Island, Alaska.

Alaska Amatignak Island

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Parameter	Value	Description
Magnitude	2.8 mb	The magnitude for the event.
Longitude	179.9954° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.0615° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	6.65 km	Depth of the event in kilometers.
Place	66km WSW of Amatignak 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	2015-12-21 16:53:50	Time when the event occurred. UTC/GMT
Updated	2016-01-19 16:54:26	Time when the event was most recently updated. UTC/GMT
Timezone offset	720	Timezone offset from UTC in minutes at the event epicenter.
Felt	0	The total number of felt reports
CDI	1	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	121	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	0.895	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.25 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	334	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	us10004bc2	Id of event.
Event Code	10004bc2	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak12291526,us10004bc2,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 2.8 mag, 66 km WSW of Amatignak Island, Alaska

How would you describe the shaking?

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