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

A minor earthquake magnitude 3.9 (ml/mb) has struck on Thursday, 32 km S of Tanaga Volcano, Alaska (20 miles). Unique identifier: us20005kp6. Ids that are associated to the event: us20005kp6. The 3.9-magnitude earthquake has occurred at 13:28:04 / 1:28 pm (local time epicenter). Exact location of earthquake, -178.0854° West, 51.5949° North, depth 11.11 km. The epicenter of the earthquake was roughly 11.11 km (7 miles) below the earth’s surface. Exact time and date of earthquake 21/04/16 / 2016-04-21 22:28:04 / April 21, 2016 @ 10:28 pm UTC/GMT.

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

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What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city 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: 32 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	-178.0854° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.5949° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	11.11 km	Depth of the event in kilometers.
Place	32km 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	2016-04-21 22:28:04	Time when the event occurred. UTC/GMT
Updated	2016-04-21 23:26:18	Time when the event was most recently updated. UTC/GMT
Timezone offset	-540	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	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	0.634	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.89 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	315	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	us20005kp6	Id of event.
Event Code	20005kp6	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us20005kp6,	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 Tanaga Volcano in Alaska

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