Minor earthquake, 3.9 mag strikes near Little Sitkin Island in Alaska

A minor earthquake magnitude 3.9 (ml/mb) has occurred on Sunday, 186 km S of Little Sitkin Island, Alaska (116 miles). The temblor was picked up at 12:37:24 / 12:37 pm (local time epicenter). Global time and date of event 30/08/15 / 2015-08-30 00:37:24 / August 30, 2015 @ 12:37 am UTC/GMT. The epicenter was at a depth of 28.79 km (18 miles). Exact location of earthquake, 178.1653° East, 50.2832° North, depth 28.79 km. Event ids that are associated to the earthquake: ak11688154, us1000362t. Id of event: us1000362t.

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been three, in the last 10 days three, in the past 30 days seven and in the last 365 days twenty-seven earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 130,000 minor earthquakes in the world each year.

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What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 186 km S of Little Sitkin Island, Alaska.

Alaska Little Sitkin Island

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Parameter	Value	Description
Magnitude	3.9 mb	The magnitude for the event.
Longitude	178.1653° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	50.2832° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	28.79 km	Depth of the event in kilometers.
Place	186km S 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	2015-08-30 00:37:24	Time when the event occurred. UTC/GMT
Updated	2015-09-24 23:25:07	Time when the event was most recently updated. UTC/GMT
Timezone offset	720	Timezone offset from UTC in minutes at the event epicenter.
Felt	0	The total number of felt reports
CDI	1	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	234	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	1.31	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.54 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	224	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	us1000362t	Id of event.
Event Code	1000362t	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak11688154,us1000362t,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.9 mag strikes near Little Sitkin Island in Alaska

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