Minor earthquake, 3.8 mag strikes near Tanaga Volcano in Alaska

A minor earthquake magnitude 3.8 (ml/mb) has occurred on Tuesday, 42 km ENE of Tanaga Volcano, Alaska (26 miles). The 3.8-magnitude earthquake was detected at 05:48:25 / 5:48 am (local time epicenter). The earthquake occurred at a depth of 22.55 km (14 miles) below the earth’s surface. Event id: us2000j323. Ids that are associated to the earthquake: us2000j323. Exact location of event, longitude -177.5458 West, latitude 51.9854 North, depth = 22.55 km. Exact time and date of earthquake 25/12/18 / 2018-12-25 15:48:25 / December 25, 2018 @ 3:48 pm UTC/GMT.

In the past 24 hours, there have been eighteen, in the last 10 days twenty, in the past 30 days twenty-six and in the last 365 days one hundred and fifty-seven 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. Every year there are an estimated 130,000 minor earthquakes in the world.

Questions or comments?

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: 42 km ENE of Tanaga Volcano, Alaska.

Alaska Tanaga Volcano

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Parameter	Value	Description
Magnitude	3.8 mb	The magnitude for the event.
Longitude	-177.5458° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.9854° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	22.55 km	Depth of the event in kilometers.
Place	42km ENE 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	2018-12-25 15:48:25	Time when the event occurred. UTC/GMT
Updated	2019-01-14 21:05:50	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	222	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	0.277	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.91 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	222	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	us2000j323	Id of event.
Event Code	2000j323	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us2000j323,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.8 mag strikes near Tanaga Volcano in Alaska

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