Moderate earthquake 5.1 mag, 32 km NW of Atka, Alaska

A moderate earthquake magnitude 5.1 (ml/mb) has struck on Thursday, 32 km NW of Atka, Alaska (20 miles). Exact time and date of event in UTC/GMT: 28/12/17 / 2017-12-28 14:58:42 / December 28, 2017 @ 2:58 pm. Exact location of earthquake, -174.484° West, 52.435° North, depth 187 km. The epicenter of the earthquake was roughly 187 km (116 miles) below the earth’s surface. All ids that are associated to the event: at00p1oexu. Unique identifier: at00p1oexu. A tsunami warning has been issued near Atka in Alaska (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 04:58:42 / 4:58 am (local time epicenter).

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. In the past 24 hours, there have been one, in the last 10 days four, in the past 30 days eleven and in the last 365 days one hundred and twenty-one earthquakes of magnitude 3.0 or greater that has struck near.

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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: 32 km NW of Atka, Alaska.

Alaska Atka

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Parameter	Value	Description
Magnitude	5.1 mb	The magnitude for the event.
Longitude	-174.484° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	52.435° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	187 km	Depth of the event in kilometers.
Place	32km NW 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	2017-12-28 14:58:42	Time when the event occurred. UTC/GMT
Updated	2017-12-28 15:04:58	Time when the event was most recently updated. UTC/GMT
Timezone offset	-600	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	1	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	at	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,at,	A comma-separated list of network contributors.
Number of Stations Used	59	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.2856643	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.98 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	104.399991648	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	at00p1oexu	Id of event.
Event Code	00p1oexu	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,at00p1oexu,	A comma-separated list of event ids that are associated to an event.

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Moderate earthquake 5.1 mag, 32 km NW of Atka, Alaska

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