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Minor earthquake, 2.9 mag strikes near Little Sitkin Island in Alaska

Posted by admin on December 15, 2016 0 Comments

Earthquake location 51.8023S, 178.3256WA minor earthquake magnitude 2.9 (ml/mb) has struck on Tuesday, 20 km SW of Little Sitkin Island, Alaska (12 miles). Date and time of earthquake in UTC/GMT: 06/12/16 / 2016-12-06 23:00:11 / December 6, 2016 @ 11:00 pm. Exact location of event, longitude 178.3256 East, latitude 51.8023 North, depth = 132.6 km. All ids that are associated to the event: ak14718052, us200080cj. Unique identifier: us200080cj. The epicenter of the earthquake was roughly 132.6 km (82 miles) below the earth’s surface. The temblor was picked up at 13:00:11 / 1:00 pm (local time epicenter).

Each year there are an estimated 130,000 minor quakes in the world. In the past 24 hours, there have been two, in the last 10 days five, in the past 30 days thirty-two and in the last 365 days one hundred and fourty-three earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage.

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage 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: 20 km SW of Little Sitkin Island, Alaska.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude 178.3256° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.8023° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 132.6 km Depth of the event in kilometers.
Place 20km SW of Little Sitkin 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 2016-12-06 23:00:11 Time when the event occurred. UTC/GMT
Updated 2016-12-15 23:18:25 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 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.4 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 us200080cj Id of event.
Event Code 200080cj An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak14718052,us200080cj, A comma-separated list of event ids that are associated to an event.

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