Light earthquake 4.7 mag, 133 km S of False Pass, Alaska

A light earthquake magnitude 4.7 (ml/mb) has struck on Thursday, 133 km S of False Pass, Alaska (83 miles). Global date and time of event UTC/GMT: 10/08/17 / 2017-08-10 22:28:09 / August 10, 2017 @ 10:28 pm. Unique identifier: us2000a74n. Ids that are associated to the event: us2000a74n. The earthquake was roughly at a depth of 37.64 km (23 miles). Exact location, longitude -163.5158° West, latitude 53.6504° North, depth = 37.64 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.7-magnitude earthquake was detected at 11:28:09 / 11:28 am (local time epicenter).

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

Questions or comments?

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: 133 km S of False Pass, Alaska.

Alaska False Pass

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Parameter	Value	Description
Magnitude	4.7 mb	The magnitude for the event.
Longitude	-163.5158° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	53.6504° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	37.64 km	Depth of the event in kilometers.
Place	133km S of False Pass, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2017-08-10 22:28:09	Time when the event occurred. UTC/GMT
Updated	2017-08-10 23:03:41	Time when the event was most recently updated. UTC/GMT
Timezone offset	-660	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	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	1.42	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	93	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	us2000a74n	Id of event.
Event Code	2000a74n	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us2000a74n,	A comma-separated list of event ids that are associated to an event.

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Light earthquake 4.7 mag, 133 km S of False Pass, Alaska

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