Moderate earthquake 5 mag, 86 km S of Adak, Alaska

A moderate earthquake magnitude 5 (ml/mb) has struck on Tuesday, 86 km S of Adak, Alaska (53 miles). The 5-magnitude earthquake was detected at 00:42:21 / 12:42 am (local time epicenter). Exact time and date of event in UTC/GMT: 04/04/17 / 2017-04-04 12:42:21 / April 4, 2017 @ 12:42 pm. Exact location of earthquake, -176.433° West, 51.112° North, depth 9 km. The earthquake was roughly at a depth of 9 km (6 miles). Id of earthquake: at00onvxyl. Event ids that are associated: at00onvxyl. A tsunami warning has been issued near Adak in Alaska (Does not indicate if a tsunami actually did or will exist).

In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days six and in the last 365 days one hundred and sixteen earthquakes of magnitude 3.0 or greater that have been detected in the same area. 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.

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What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 86 km S of Adak, Alaska.

Adak Alaska

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Parameter	Value	Description
Magnitude	5 mb	The magnitude for the event.
Longitude	-176.433° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.112° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	9 km	Depth of the event in kilometers.
Place	86km 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	2017-04-04 12:42:21	Time when the event occurred. UTC/GMT
Updated	2017-04-04 12:46:53	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	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	385	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	21	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.7869242	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.76 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	223.199982144	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	at00onvxyl	Id of event.
Event Code	00onvxyl	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,at00onvxyl,	A comma-separated list of event ids that are associated to an event.

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Moderate earthquake 5 mag, 86 km S of Adak, Alaska

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