Light earthquake, 4.1 mag strikes near Atka in Alaska

A light earthquake magnitude 4.1 (ml/mb) has struck on Friday, 90 km S of Atka, Alaska (56 miles). The temblor was picked up at 14:31:35 / 2:31 pm (local time epicenter). The earthquake was roughly at a depth of 10 km (6 miles). Event ids that are associated to the earthquake: us20005ay1. Id of event: us20005ay1. Exact time and date of event in UTC/GMT: 19/03/16 / 2016-03-19 02:31:35 / March 19, 2016 @ 2:31 am. Exact location of event, depth 10 km, -174.1391° West, 51.3832° North. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

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

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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 90 km S of Atka, Alaska.

Alaska Atka

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Parameter	Value	Description
Magnitude	4.1 mb	The magnitude for the event.
Longitude	-174.1391° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.3832° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	90km 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	2016-03-19 02:31:35	Time when the event occurred. UTC/GMT
Updated	2016-03-19 02:51:15	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	259	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	1.39	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.84 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	197	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	us20005ay1	Id of event.
Event Code	20005ay1	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us20005ay1,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.1 mag strikes near Atka in Alaska

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