Minor earthquake: M2.8 quake has struck near Adak in Alaska

A minor earthquake magnitude 2.8 (ml/mb) has struck on Saturday, 83 km ENE of Adak, Alaska (52 miles). The epicenter of the earthquake was roughly 254.65 km (158 miles) below the earth’s surface. The temblor was reported at 17:56:15 / 5:56 pm (local time epicenter). Exact time and date of event in UTC/GMT: 06/08/17 / 2017-08-06 03:56:15 / August 6, 2017 @ 3:56 am. Unique identifier: us2000ab5y. Ids that are associated to the event: ak16642791, us2000ab5y. Exact location of event, depth 254.65 km, -175.6352° West, 52.2843° North.

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been four, in the last 10 days nine, in the past 30 days twelve and in the last 365 days one hundred and twenty-one earthquakes of magnitude 3.0 or greater that was reported nearby. There are an estimated 1,300,000 minor quakes in the world each year.

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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 data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 83 km ENE of Adak, Alaska.

Adak Alaska

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Parameter	Value	Description
Magnitude	2.8 mb	The magnitude for the event.
Longitude	-175.6352° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	52.2843° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	254.65 km	Depth of the event in kilometers.
Place	83km ENE 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	2017-08-06 03:56:15	Time when the event occurred. UTC/GMT
Updated	2017-08-31 05:22:24	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	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	121	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	,ak,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	0.324	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.29 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	182	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	us2000ab5y	Id of event.
Event Code	2000ab5y	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak16642791,us2000ab5y,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M2.8 quake has struck near Adak in Alaska

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