Minor earthquake, 3.1 mag strikes near Tanaga Volcano in Alaska

A minor earthquake magnitude 3.1 (ml/mb) has occurred on Thursday, 49 km S of Tanaga Volcano, Alaska (30 miles). Exact location of event, longitude -178.2236 West, latitude 51.4389 North, depth = 21.23 km. The 3.1-magnitude earthquake has occurred at 12:31:47 / 12:31 pm (local time epicenter). The epicenter of the earthquake was roughly 21.23 km (13 miles) below the earth’s surface. Date and time of earthquake in UTC/GMT: 20/04/17 / 2017-04-20 22:31:47 / April 20, 2017 @ 10:31 pm. Id of earthquake: us10008lc2. Event ids that are associated: ak15795375, us10008lc2.

In the past 24 hours, there have been two, in the last 10 days three, in the past 30 days thirteen and in the last 365 days one hundred and fourty-six earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor earthquakes 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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 49 km S of Tanaga Volcano, Alaska. This information comes from the USGS Earthquake Notification Service.

Alaska Tanaga Volcano

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Parameter	Value	Description
Magnitude	3.1 mb	The magnitude for the event.
Longitude	-178.2236° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.4389° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	21.23 km	Depth of the event in kilometers.
Place	49km 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	2017-04-20 22:31:47	Time when the event occurred. UTC/GMT
Updated	2017-04-28 04:16:03	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	148	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	0.785	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.35 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	204	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	us10008lc2	Id of event.
Event Code	10008lc2	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak15795375,us10008lc2,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.1 mag strikes near Tanaga Volcano in Alaska

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