Moderate earthquake 5.1 mag, 75 km SSE of Atka, Alaska

A moderate earthquake magnitude 5.1 (ml/mb) has struck on Thursday, 75 km SSE of Atka, Alaska (47 miles). The epicenter was at a depth of 55.44 km (34 miles). The temblor was detected at 21:38:12 / 9:38 pm (local time epicenter). Global date and time of event UTC/GMT: 18/03/16 / 2016-03-18 09:38:12 / March 18, 2016 @ 9:38 am. Exact location of earthquake, -173.6057° West, 51.6237° North, depth 55.44 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Id of earthquake: us20005apm. Event ids that are associated: us20005apm.

In the past 24 hours, there have been one, in the last 10 days twenty-six, in the past 30 days thirty and in the last 365 days two hundred and sixty-nine earthquakes of magnitude 3.0 or greater that was reported nearby. There are an estimated 1320 moderate quakes in the world each year. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures.

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. 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: 75 km SSE of Atka, Alaska.

Alaska Atka

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Parameter	Value	Description
Magnitude	5.1 mb	The magnitude for the event.
Longitude	-173.6057° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.6237° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	55.44 km	Depth of the event in kilometers.
Place	75km SSE 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	2016-03-18 09:38:12	Time when the event occurred. UTC/GMT
Updated	2016-03-18 09:55:59	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	400	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	1.593	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.02 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	136	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	us20005apm	Id of event.
Event Code	20005apm	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us20005apm,	A comma-separated list of event ids that are associated to an event.

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Moderate earthquake 5.1 mag, 75 km SSE of Atka, Alaska

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