Minor earthquake, 3.1 mag has occurred near Little Sitkin Island in Alaska

A minor earthquake magnitude 3.1 (ml/mb) has occurred on Wednesday, 45 km SSE of Little Sitkin Island, Alaska (28 miles). Date and time of earthquake in UTC/GMT: 25/04/18 / 2018-04-25 10:29:04 / April 25, 2018 @ 10:29 am. Event ids that are associated to the earthquake: ak19269418. Id of event: ak19269418. The 3.1-magnitude earthquake has occurred at 00:29:04 / 12:29 am (local time epicenter). The earthquake occurred at a depth of 70.7 km (44 miles). Exact location of earthquake, longitude 178.7443 East, latitude 51.566 North, depth = 70.7 km.

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. In the past 24 hours, there have been one, in the last 10 days nine, in the past 30 days thirteen and in the last 365 days one hundred and fifty-eight earthquakes of magnitude 3.0 or greater that have been detected nearby.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 45 km SSE of Little Sitkin Island, Alaska.

Alaska Little Sitkin Island

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Parameter	Value	Description
Magnitude	3.1 mb	The magnitude for the event.
Longitude	178.7443° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.566° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	70.7 km	Depth of the event in kilometers.
Place	45km SSE of Little Sitkin Island, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2018-04-25 10:29:04	Time when the event occurred. UTC/GMT
Updated	2018-04-28 02:40:17	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	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	0.47 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	ak19269418	Id of event.
Event Code	19269418	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak19269418,	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 Little Sitkin Island in Alaska

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