Minor earthquake 2.8 mag, 144 km NNW of Chirikof Island, Alaska

A minor earthquake magnitude 2.8 (ml/mb) has struck on Tuesday, 144 km NNW of Chirikof Island, Alaska (89 miles). Exact time and date of earthquake 03/10/17 / 2017-10-03 21:20:56 / October 3, 2017 @ 9:20 pm UTC/GMT. The epicenter of the earthquake was roughly 85.2 km (53 miles) below the earth’s surface. Event ids that are associated to the earthquake: ak16988519. Id of event: ak16988519. Exact location of event, longitude -156.268 West, latitude 57.0758 North, depth = 85.2 km. The temblor was detected at 12:20:56 / 12:20 pm (local time epicenter).

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been 0, in the last 10 days 0, in the past 30 days two and in the last 365 days fifty-five earthquakes of magnitude 3.0 or greater that was reported nearby. Every year there are an estimated 1,300,000 minor earthquakes in the world.

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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: 144 km NNW of Chirikof Island, Alaska.

Chirik

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Parameter	Value	Description
Magnitude	2.8 mb	The magnitude for the event.
Longitude	-156.268° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	57.0758° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	85.2 km	Depth of the event in kilometers.
Place	144km NNW of Chirikof Island, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2017-10-03 21:20:56	Time when the event occurred. UTC/GMT
Updated	2017-10-03 21:26:13	Time when the event was most recently updated. UTC/GMT
Timezone offset	-540	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	automatic	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	ak	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,ak,	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		Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.43 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap		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	ak16988519	Id of event.
Event Code	16988519	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak16988519,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 2.8 mag, 144 km NNW of Chirikof Island, Alaska

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