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Strong earthquake, 6.3 mag was detected near Nikolski in Alaska

Earthquake location 52.9014S, -168.2639WA earthquake magnitude 6.3 (ml/mb) strikes 40 km E of Nikolski, Alaska (25 miles) on Tuesday. The earthquake occurred at a depth of 39.25 km (24 miles) below the earth’s surface. Global date and time of event UTC/GMT: 01/12/20 / 2020-12-01 16:22:42 / December 1, 2020 @ 4:22 pm. The 6.3-magnitude earthquake has occurred at 16:22:42 / 4:22 pm (local time epicenter). Exact location of event, longitude -168.2639 West, latitude 52.9014 North, depth = 39.25 km. Id of earthquake: us7000clnv. Event ids that are associated: at00qko5hv, us7000clnv. A tsunami warning has been issued near Nikolski in Alaska (Does not indicate if a tsunami actually did or will exist).

Each year there are an estimated 135 quakes in the world. In the past 24 hours, there have been three, in the last 10 days four, in the past 30 days fifteen and in the last 365 days one hundred and twelve earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 6.0 to 6.9 may cause a lot of damage in very populated areas.

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: 40 km E of Nikolski, Alaska.

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More information

Parameter Value Description
Magnitude 6.3 mb The magnitude for the event.
Longitude -168.2639° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.9014° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 39.25 km Depth of the event in kilometers.
Place 40 km E 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 2020-12-01 16:22:42 Time when the event occurred. UTC/GMT
Updated 2020-12-01 16:45:54 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 5 The total number of felt reports
CDI 3.8 The maximum reported intensity for the event.
MMI 5.354 The maximum estimated instrumental intensity for the event.
Alert Level green 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 1 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 613 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 ,at,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 0.561 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.88 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 62 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mww The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us7000clnv Id of event.
Event Code 7000clnv An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00qko5hv,us7000clnv, A comma-separated list of event ids that are associated to an event.

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