Light earthquake, 4.1 mag strikes near Chirik

A light earthquake magnitude 4.1 (ml/mb) has occurred on Wednesday, 89 km ENE of Chirikof Island, Alaska (55 miles). The earthquake occurred at a depth of 23.4 km (15 miles). All ids that are associated to the event: ak17706706. Unique identifier: ak17706706. Global time and date of event 27/12/17 / 2017-12-27 22:27:20 / December 27, 2017 @ 10:27 pm UTC/GMT. The temblor was picked up at 12:27:20 / 12:27 pm (local time epicenter). Exact location, longitude -154.3069° West, latitude 56.1439° North, depth = 23.4 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days three and in the last 365 days fifteen earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Every year there are an estimated 13,000 light earthquakes in the world.

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 89 km ENE of Chirikof Island, Alaska. This information comes from the USGS Earthquake Notification Service.

Chirik

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Parameter	Value	Description
Magnitude	4.1 mb	The magnitude for the event.
Longitude	-154.3069° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	56.1439° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	23.4 km	Depth of the event in kilometers.
Place	89km ENE 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	2017-12-27 22:27:20	Time when the event occurred. UTC/GMT
Updated	2017-12-27 22:31:41	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	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	259	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	0.58 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	ak17706706	Id of event.
Event Code	17706706	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak17706706,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.1 mag strikes near Chirik

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