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Minor earthquake, 3.3 mag strikes near Unalaska in Alaska


Earthquake location 53.5484S, -167.1326WA minor earthquake with magnitude 3.3 (ml/mb) was reported 53 km SW of Unalaska, Alaska (33 miles) on Friday. The temblor was reported at 17:13:16 / 5:13 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 08/10/16 / 2016-10-08 01:13:16 / October 8, 2016 @ 1:13 am. Unique identifier: ak14189982. Ids that are associated to the event: ak14189982. Exact location of earthquake, longitude -167.1326 West, latitude 53.5484 North, depth = 13.2 km. The epicenter of the earthquake was roughly 13.2 km (8 miles) below the earth’s surface.

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

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. 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: 53 km SW of Unalaska, Alaska.

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More information

Parameter Value Description
Magnitude 3.3 mb The magnitude for the event.
Longitude -167.1326° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 53.5484° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 13.2 km Depth of the event in kilometers.
Place 53km SW of Unalaska, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-10-08 01:13:16 Time when the event occurred. UTC/GMT
Updated 2016-10-14 20:25:02 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 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 168 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 0.54 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 ak14189982 Id of event.
Event Code 14189982 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak14189982, A comma-separated list of event ids that are associated to an event.

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