Minor earthquake: M3.7 quake has struck near Atka in Alaska

A minor earthquake magnitude 3.7 (ml/mb) has struck on Tuesday, 87 km S of Atka, Alaska (54 miles). The 3.7-magnitude earthquake has occurred at 13:16:57 / 1:16 pm (local time epicenter). Global time and date of event 16/09/15 / 2015-09-16 01:16:57 / September 16, 2015 @ 1:16 am UTC/GMT. Id of earthquake: us20003n9u. Event ids that are associated: us20003n9u, ak11703022. The earthquake was roughly at a depth of 39.86 km (25 miles). Exact location of earthquake, longitude -174.331 West, latitude 51.4169 North, depth = 39.86 km.

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

Did you feel the quake?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 87 km S of Atka, Alaska. This data comes from the USGS Earthquake Notification Service.

Alaska Atka

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Parameter	Value	Description
Magnitude	3.7 mb	The magnitude for the event.
Longitude	-174.331° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.4169° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	39.86 km	Depth of the event in kilometers.
Place	87km S 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	2015-09-16 01:16:57	Time when the event occurred. UTC/GMT
Updated	2015-10-02 01:49:41	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	211	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,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	0.79	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.89 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	209	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	us20003n9u	Id of event.
Event Code	20003n9u	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us20003n9u,ak11703022,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.7 quake has struck near Atka in Alaska

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