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Minor World Earthquakes Magnitude -3.9

Minor earthquake 3.8 mag, 109 km SSW of Nikolski, Alaska

Earthquake location 51.9907S, -169.3141WA minor earthquake with magnitude 3.8 (ml/mb) was detected on Saturday, 109 km SSW of Nikolski, Alaska (68 miles). Exact location of event, longitude -169.3141 West, latitude 51.9907 North, depth = 28.81 km. The earthquake occurred at a depth of 28.81 km (18 miles) below the earth’s surface. Global date and time of event UTC/GMT: 13/02/21 / 2021-02-13 19:18:11 / February 13, 2021 @ 7:18 pm. The 3.8-magnitude earthquake has occurred at 19:18:11 / 7:18 pm (local time epicenter). All ids that are associated to the event: ak0212132e0y, us6000djdn. Unique identifier: us6000djdn.

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

Did you feel anything?

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. 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: 109 km SSW of Nikolski, Alaska.

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More information

Parameter Value Description
Magnitude 3.8 mb The magnitude for the event.
Longitude -169.3141° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.9907° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 28.81 km Depth of the event in kilometers.
Place 109 km SSW 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 2021-02-13 19:18:11 Time when the event occurred. UTC/GMT
Updated 2021-03-03 01:26:29 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 222 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 1.536 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.31 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 220 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us6000djdn Id of event.
Event Code 6000djdn An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak0212132e0y,us6000djdn, A comma-separated list of event ids that are associated to an event.

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