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Minor World Earthquakes Magnitude -3.9

Minor earthquake: M3.5 quake has struck near Nikolski in Alaska



Earthquake location 52.8517S, -168.673WA minor earthquake magnitude 3.5 (ml/mb) has struck on Friday, 16 km SE of Nikolski, Alaska (10 miles). Exact location of event, longitude -168.673 West, latitude 52.8517 North, depth = 42.84 km. Id of earthquake: us20004vet. Event ids that are associated: ak12488188, us20004vet. The epicenter was at a depth of 42.84 km (27 miles). The 3.5-magnitude earthquake has occurred at 18:39:27 / 6:39 pm (local time epicenter). Exact time and date of event in UTC/GMT: 23/01/16 / 2016-01-23 04:39:27 / January 23, 2016 @ 4:39 am.

There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been three, in the last 10 days eight, in the past 30 days eighteen and in the last 365 days three hundred and eighty-eight earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Questions or comments?

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. 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: 16 km SE of Nikolski, Alaska.

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More information

Parameter Value Description
Magnitude 3.5 mb The magnitude for the event.
Longitude -168.673° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.8517° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 42.84 km Depth of the event in kilometers.
Place 16km SE of Nikolski, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-01-23 04:39:27 Time when the event occurred. UTC/GMT
Updated 2016-02-17 03:48:20 Time when the event was most recently updated. UTC/GMT
Timezone offset -600 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 188 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 0.163 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.42 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 206 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 us20004vet Id of event.
Event Code 20004vet An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak12488188,us20004vet, A comma-separated list of event ids that are associated to an event.

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