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Minor earthquake, 2.9 mag strikes near Chernabura Island in Alaska

Posted by admin on December 13, 2017 0 Comments

Earthquake location 54.808S, -159.189WA minor earthquake magnitude 2.9 (ml/mb) strikes 23 km E of Chernabura Island, Alaska (14 miles) on Tuesday. The earthquake occurred at a depth of 23.32 km (14 miles) below the earth’s surface. Exact location of earthquake, longitude -159.189 West, latitude 54.808 North, depth = 23.32 km. Exact time and date of event in UTC/GMT: 21/11/17 / 2017-11-21 21:27:01 / November 21, 2017 @ 9:27 pm. The temblor was detected at 12:27:01 / 12:27 pm (local time epicenter). Unique identifier: us2000bv1c. Ids that are associated to the event: ak17366160, us2000bv1c.

Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. In the past 24 hours, there have been seven, in the last 10 days eight, in the past 30 days nine and in the last 365 days sixty-one earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 130,000 minor earthquakes in the world.

How would you describe the shaking?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 23 km E of Chernabura Island, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -159.189° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.808° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 23.32 km Depth of the event in kilometers.
Place 23km E of Chernabura 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 2017-11-21 21:27:01 Time when the event occurred. UTC/GMT
Updated 2017-12-13 02:36:12 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 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 129 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 0.232 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.36 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 242 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 us2000bv1c Id of event.
Event Code 2000bv1c An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak17366160,us2000bv1c, A comma-separated list of event ids that are associated to an event.

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