Minor earthquake 3.1 mag, 47 km SSE of Adak, Alaska

A minor earthquake with magnitude 3.1 (ml/mb) was detected on Monday, 47 km SSE of Adak, Alaska (29 miles). The temblor was reported at 07:32:48 / 7:32 am (local time epicenter). Global time and date of event 20/02/17 / 2017-02-20 19:32:48 / February 20, 2017 @ 7:32 pm UTC/GMT. Exact location of event, longitude -176.4253 West, latitude 51.4769 North, depth = 37.05 km. All ids that are associated to the event: ak15316008, us100086w4. Unique identifier: us100086w4. The earthquake occurred at a depth of 37.05 km (23 miles) below the earth’s surface.

Every year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been eight, in the last 10 days twelve, in the past 30 days thirty and in the last 365 days one hundred and thirty-nine earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage.

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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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 47 km SSE of Adak, Alaska. This information comes from the USGS Earthquake Notification Service.

Adak Alaska

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Parameter	Value	Description
Magnitude	3.1 mb	The magnitude for the event.
Longitude	-176.4253° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	51.4769° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	37.05 km	Depth of the event in kilometers.
Place	47km SSE 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	2017-02-20 19:32:48	Time when the event occurred. UTC/GMT
Updated	2017-03-09 21:59:29	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	148	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	0.436	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.09 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	290	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	us100086w4	Id of event.
Event Code	100086w4	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak15316008,us100086w4,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 3.1 mag, 47 km SSE of Adak, Alaska

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