Minor earthquake, 3.9 mag was detected near Attu Station in Alaska

A minor earthquake with magnitude 3.9 (ml/mb) was detected on Tuesday, 158 km W of Attu Station, Alaska (98 miles). Exact location, longitude 170.8558° East, latitude 53.067° North, depth = 29.88 km. The temblor was detected at 11:34:37 / 11:34 am (local time epicenter). Unique identifier: us20009z35. Ids that are associated to the event: us20009z35. The epicenter of the earthquake was roughly 29.88 km (19 miles) below the earth’s surface. Global date and time of event UTC/GMT: 18/07/17 / 2017-07-18 00:34:37 / July 18, 2017 @ 12:34 am.

In the past 24 hours, there have been fifteen, in the last 10 days fifteen, in the past 30 days seventeen and in the last 365 days thirty-six 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. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

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Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 158 km W of Attu Station, Alaska. This data comes from the USGS Earthquake Notification Service.

Alaska Attu Station

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Parameter	Value	Description
Magnitude	3.9 mb	The magnitude for the event.
Longitude	170.8558° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	53.067° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	29.88 km	Depth of the event in kilometers.
Place	158km W 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	2017-07-18 00:34:37	Time when the event occurred. UTC/GMT
Updated	2017-07-30 00:19:50	Time when the event was most recently updated. UTC/GMT
Timezone offset	660	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	,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	1.993	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.05 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	177	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	us20009z35	Id of event.
Event Code	20009z35	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us20009z35,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.9 mag was detected near Attu Station in Alaska

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