Minor earthquake, 3.9 mag strikes near Tanaga Volcano in Alaska

A minor earthquake with magnitude 3.9 (ml/mb) was detected on Tuesday, 42 km S of Tanaga Volcano, Alaska (26 miles). Exact location of earthquake, longitude -178.1781 West, latitude 51.5067 North, depth = 10 km. The epicenter was at a depth of 10 km (6 miles). The 3.9-magnitude earthquake was detected at 21:22:48 / 9:22 pm (local time epicenter). Exact time and date of earthquake 10/05/17 / 2017-05-10 07:22:48 / May 10, 2017 @ 7:22 am UTC/GMT. Unique identifier: us10008r2c. Ids that are associated to the event: us10008r2c.

In the past 24 hours, there have been eleven, in the last 10 days seventy-three, in the past 30 days seventy-nine and in the last 365 days two hundred and fourteen earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor quakes 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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 42 km S of Tanaga Volcano, Alaska.

Alaska Tanaga Volcano

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Parameter	Value	Description
Magnitude	3.9 mb	The magnitude for the event.
Longitude	-178.1781° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.5067° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	42km S of Tanaga Volcano, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2017-05-10 07:22:48	Time when the event occurred. UTC/GMT
Updated	2017-05-10 07:37:10	Time when the event was most recently updated. UTC/GMT
Timezone offset	-600	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		The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.726	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.76 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	187	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	us10008r2c	Id of event.
Event Code	10008r2c	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us10008r2c,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.9 mag strikes near Tanaga Volcano in Alaska

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