Minor earthquake, 3.9 mag was detected near Atka in Alaska

A minor earthquake with magnitude 3.9 (ml/mb) was detected on Friday, 76 km SSW of Atka, Alaska (47 miles). The earthquake was roughly at a depth of 47.76 km (30 miles). Exact time and date of event in UTC/GMT: 05/09/15 / 2015-09-05 06:10:53 / September 5, 2015 @ 6:10 am. Exact location of event, depth 47.76 km, -174.5445° West, 51.5442° North. All ids that are associated to the event: us20003gnc. Unique identifier: us20003gnc. The 3.9-magnitude earthquake has occurred at 18:10:53 / 6:10 pm (local time epicenter).

Each year there are an estimated 130,000 minor quakes in the world. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been twenty-two, in the last 10 days thirty, in the past 30 days fourty-two and in the last 365 days one hundred and fourty-nine earthquakes of magnitude 3.0 or greater that was reported nearby.

Did you feel the quake?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 76 km SSW of Atka, Alaska.

Alaska Atka

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Parameter	Value	Description
Magnitude	3.9 mb	The magnitude for the event.
Longitude	-174.5445° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.5442° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	47.76 km	Depth of the event in kilometers.
Place	76km SSW of Atka, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2015-09-05 06:10:53	Time when the event occurred. UTC/GMT
Updated	2015-09-05 09:24:39	Time when the event was most recently updated. UTC/GMT
Timezone offset	-720	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	0.692	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.81 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	204	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	us20003gnc	Id of event.
Event Code	20003gnc	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us20003gnc,	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 Atka in Alaska

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