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Minor earthquake, 3.1 mag has occurred near Nikolski in Alaska

Earthquake location 52.4016S, -169.5076WA minor earthquake with magnitude 3.1 (ml/mb) was detected on Tuesday, 73 km SW of Nikolski, Alaska (45 miles). Exact location of earthquake, longitude -169.5076 West, latitude 52.4016 North, depth = 33.4 km. Global time and date of event 22/11/17 / 2017-11-22 06:09:56 / November 22, 2017 @ 6:09 am UTC/GMT. Unique identifier: ak17371104. Ids that are associated to the event: ak17371104. The 3.1-magnitude earthquake was detected at 19:09:56 / 7:09 pm (local time epicenter). The epicenter of the earthquake was roughly 33.4 km (21 miles) below the earth’s surface.

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

How would you describe the shaking?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 73 km SW of Nikolski, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -169.5076° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.4016° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 33.4 km Depth of the event in kilometers.
Place 73km SW 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 2017-11-22 06:09:56 Time when the event occurred. UTC/GMT
Updated 2017-11-22 19:31:30 Time when the event was most recently updated. UTC/GMT
Timezone offset -660 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 148 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 0.37 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 ak17371104 Id of event.
Event Code 17371104 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak17371104, A comma-separated list of event ids that are associated to an event.

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