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

A minor earthquake magnitude 3.9 (ml/mb) has struck on Wednesday, 47 km SE of Little Sitkin Island, Alaska (29 miles). Exact time and date of event in UTC/GMT: 02/04/20 / 2020-04-02 04:38:45 / April 2, 2020 @ 4:38 am. Unique identifier: us70008lsc. Ids that are associated to the event: ak02049vl909, us70008lsc. Exact location, longitude 178.9386° East, latitude 51.6179° North, depth = 84.61 km. The temblor was picked up at 18:38:45 / 6:38 pm (local time epicenter). The earthquake occurred at a depth of 84.61 km (53 miles).

There are an estimated 130,000 minor earthquakes in the world each year. In the past 24 hours, there have been two, in the last 10 days three, in the past 30 days thirteen and in the last 365 days one hundred and twelve earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

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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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 47 km SE of Little Sitkin Island, Alaska. This information comes from the USGS Earthquake Notification Service.

Alaska Little Sitkin Island

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Parameter	Value	Description
Magnitude	3.9 mb	The magnitude for the event.
Longitude	178.9386° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.6179° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	84.61 km	Depth of the event in kilometers.
Place	47km SE 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	2020-04-02 04:38:45	Time when the event occurred. UTC/GMT
Updated	2020-04-13 04:43:44	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	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	0.33	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.57 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	84	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	us70008lsc	Id of event.
Event Code	70008lsc	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak02049vl909,us70008lsc,	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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