Moderate earthquake 5.3 mag, 117 km S of Adak, Alaska

A moderate earthquake magnitude 5.3 (ml/mb) strikes 117 km S of Adak, Alaska (73 miles) on Monday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global date and time of event UTC/GMT: 09/05/17 / 2017-05-09 08:59:02 / May 9, 2017 @ 8:59 am. The earthquake was roughly at a depth of 30.5 km (19 miles). Exact location of earthquake, longitude -176.9672 West, latitude 50.8461 North, depth = 30.5 km. The 5.3-magnitude earthquake has occurred at 20:59:02 / 8:59 pm (local time epicenter). Event id: ak16006572. Ids that are associated to the earthquake: ak16006572.

In the past 24 hours, there have been fourteen, in the last 10 days fourteen, in the past 30 days sixteen and in the last 365 days one hundred and sixty-two earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. Each year there are an estimated 1320 moderate earthquakes in the world.

Questions or comments?

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 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: 117 km S of Adak, Alaska.

Adak Alaska

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Parameter	Value	Description
Magnitude	5.3 mb	The magnitude for the event.
Longitude	-176.9672° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	50.8461° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	30.5 km	Depth of the event in kilometers.
Place	117km S of Adak, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2017-05-09 08:59:02	Time when the event occurred. UTC/GMT
Updated	2017-05-10 21:37:23	Time when the event was most recently updated. UTC/GMT
Timezone offset	-720	Timezone offset from UTC in minutes at the event epicenter.
Felt		The total number of felt reports
CDI		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	432	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	ak	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,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		Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.72 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap		The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	ml	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	ak16006572	Id of event.
Event Code	16006572	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak16006572,	A comma-separated list of event ids that are associated to an event.

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Moderate earthquake 5.3 mag, 117 km S of Adak, Alaska

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