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



Earthquake location 50.9811S, 178.7374WA minor earthquake magnitude 2.9 (ml/mb) has struck on Friday, 108 km S of Little Sitkin Island, Alaska (67 miles). The temblor was reported at 12:11:13 / 12:11 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 11/11/16 / 2016-11-11 00:11:13 / November 11, 2016 @ 12:11 am. The earthquake was roughly at a depth of 11.9 km (7 miles). All ids that are associated to the event: ak14314306. Unique identifier: ak14314306. Exact location of event, longitude 178.7374 East, latitude 50.9811 North, depth = 11.9 km.

In the past 24 hours, there have been sixteen, in the last 10 days sixteen, in the past 30 days seventeen and in the last 365 days one hundred and thirty-four 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. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage.

Questions or comments?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 108 km S of Little Sitkin Island, Alaska.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude 178.7374° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 50.9811° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 11.9 km Depth of the event in kilometers.
Place 108km S 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 2016-11-11 00:11:13 Time when the event occurred. UTC/GMT
Updated 2016-11-19 03:08:20 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 129 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 0.34 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 ak14314306 Id of event.
Event Code 14314306 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak14314306, A comma-separated list of event ids that are associated to an event.

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