Minor earthquake, 3.1 mag was detected near Glennallen in Alaska

A minor earthquake magnitude 3.1 (ml/mb) has occurred on Tuesday, 113 km NNW of Glennallen, Alaska (70 miles). Exact location of event, longitude -146.5487 West, latitude 63.016 North, depth = 180 km. Event ids that are associated to the earthquake: ak20522771. Id of event: ak20522771. Global time and date of event 19/12/18 / 2018-12-19 08:33:33 / December 19, 2018 @ 8:33 am UTC/GMT. The 3.1-magnitude earthquake has occurred at 23:33:33 / 11:33 pm (local time epicenter). The earthquake was roughly at a depth of 180 km (112 miles).

There are an estimated 130,000 minor earthquakes in the world each year. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days three and in the last 365 days eleven earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel the quake?

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: 113 km NNW of Glennallen, Alaska. This information comes from the USGS Earthquake Notification Service.

Alaska Glennallen

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Parameter	Value	Description
Magnitude	3.1 mb	The magnitude for the event.
Longitude	-146.5487° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	63.016° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	180 km	Depth of the event in kilometers.
Place	113km NNW of Glennallen, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2018-12-19 08:33:33	Time when the event occurred. UTC/GMT
Updated	2018-12-19 08:47:24	Time when the event was most recently updated. UTC/GMT
Timezone offset	-540	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	automatic	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	ak	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,ak,	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		Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.04 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap		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	ak20522771	Id of event.
Event Code	20522771	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak20522771,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.1 mag was detected near Glennallen in Alaska

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