Minor earthquake, 3.1 mag has occurred near Larsen Bay in Alaska

A minor earthquake magnitude 3.1 (ml/mb) strikes 168 km SSE of Larsen Bay, Alaska (104 miles) on Sunday. Exact location of earthquake, longitude -152.8351 West, latitude 56.1613 North, depth = 13.1 km. The temblor was picked up at 17:50:24 / 5:50 pm (local time epicenter). Event id: ak16845438. Ids that are associated to the earthquake: ak16845438. Global time and date of event 18/09/17 / 2017-09-18 03:50:24 / September 18, 2017 @ 3:50 am UTC/GMT. The epicenter of the earthquake was roughly 13.1 km (8 miles) below the earth’s surface.

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days two and in the last 365 days fourteen earthquakes of magnitude 3.0 or greater that has occurred nearby. 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.

How would you describe the shaking?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 168 km SSE of Larsen Bay, Alaska.

Alaska Larsen Bay

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Parameter	Value	Description
Magnitude	3.1 mb	The magnitude for the event.
Longitude	-152.8351° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	56.1613° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	13.1 km	Depth of the event in kilometers.
Place	168km SSE of Larsen Bay, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2017-09-18 03:50:24	Time when the event occurred. UTC/GMT
Updated	2017-09-18 03:55:51	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	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	0.64 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	ak16845438	Id of event.
Event Code	16845438	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak16845438,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.1 mag has occurred near Larsen Bay in Alaska

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