Light earthquake: M4.8 quake has struck near Atka in Alaska

A light earthquake with magnitude 4.8 (ml/mb) was reported 111 km SSW of Atka, Alaska (69 miles) on Friday. The earthquake was roughly at a depth of 36.3 km (23 miles). Global date and time of event UTC/GMT: 04/09/15 / 2015-09-04 12:48:55 / September 4, 2015 @ 12:48 pm. Event id: us20003g9g. Ids that are associated to the earthquake: us20003g9g. The temblor was reported at 00:48:55 / 12:48 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude -174.8893 West, latitude 51.2874 North, depth = 36.3 km.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been six, in the last 10 days twelve, in the past 30 days twenty-six and in the last 365 days one hundred and thirteen earthquakes of magnitude 3.0 or greater that has struck near. There are an estimated 13,000 light earthquakes in the world each year.

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: 111 km SSW of Atka, Alaska.

Alaska Atka

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Parameter	Value	Description
Magnitude	4.8 mb	The magnitude for the event.
Longitude	-174.8893° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.2874° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	36.3 km	Depth of the event in kilometers.
Place	111km 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 12:48:55	Time when the event occurred. UTC/GMT
Updated	2015-09-04 13:09:12	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	354	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	1.011	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.34 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	143	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	us20003g9g	Id of event.
Event Code	20003g9g	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us20003g9g,	A comma-separated list of event ids that are associated to an event.

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Light earthquake: M4.8 quake has struck near Atka in Alaska

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