Minor earthquake: M3.9 quake has struck near Attu Station in Alaska

A minor earthquake magnitude 3.9 (ml/mb) has occurred on Saturday, 84 km NNW of Attu Station, Alaska (52 miles). All ids that are associated to the event: ak11644529. Unique identifier: ak11644529. Date and time of earthquake in UTC/GMT: 11/07/15 / 2015-07-11 02:50:08 / July 11, 2015 @ 2:50 am. The temblor was picked up at 14:50:08 / 2:50 pm (local time epicenter). Exact location of earthquake, 172.5367° East, 53.4934° North, depth 42.7 km. The earthquake occurred at a depth of 42.7 km (27 miles) below the earth’s surface.

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor quakes in the world. In the past 24 hours, there have been one, in the last 10 days four, in the past 30 days five and in the last 365 days ten earthquakes of magnitude 3.0 or greater that has struck near.

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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: 84 km NNW of Attu Station, Alaska.

Alaska Attu Station

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Parameter	Value	Description
Magnitude	3.9 mb	The magnitude for the event.
Longitude	172.5367° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	53.4934° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	42.7 km	Depth of the event in kilometers.
Place	84km NNW of Attu Station, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2015-07-11 02:50:08	Time when the event occurred. UTC/GMT
Updated	2015-07-11 07:43:58	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	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	0.95 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	ak11644529	Id of event.
Event Code	11644529	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak11644529,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.9 quake has struck near Attu Station in Alaska

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