Light earthquake, 4.7 mag was detected near Atka in Alaska

A light earthquake with magnitude 4.7 (ml/mb) was reported 91 km SSW of Atka, Alaska (57 miles) on Friday. The earthquake occurred at a depth of 37.83 km (24 miles). Id of earthquake: us20003gav. Event ids that are associated: us20003gav. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, -174.8959° West, 51.4965° North, depth 37.83 km. The temblor was picked up at 04:52:12 / 4:52 am (local time epicenter). Exact time and date of earthquake 04/09/15 / 2015-09-04 16:52:12 / September 4, 2015 @ 4:52 pm UTC/GMT.

In the past 24 hours, there have been eight, in the last 10 days fourteen, in the past 30 days twenty-seven and in the last 365 days one hundred and twenty-one earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light earthquakes in the world.

Did you feel the quake?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 91 km SSW of Atka, Alaska.

Alaska Atka

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Parameter	Value	Description
Magnitude	4.7 mb	The magnitude for the event.
Longitude	-174.8959° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.4965° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	37.83 km	Depth of the event in kilometers.
Place	91km 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	2015-09-04 16:52:12	Time when the event occurred. UTC/GMT
Updated	2015-09-04 17:13:20	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	340	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	0.938	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.11 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	151	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	us20003gav	Id of event.
Event Code	20003gav	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us20003gav,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.7 mag was detected near Atka in Alaska

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