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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag was detected near Nikolski in Alaska

Posted by admin on December 31, 2020 0 Comments

Earthquake location 52.3643S, -170.4935WA light earthquake magnitude 4.2 (ml/mb) has occurred on Saturday, 127 km WSW of Nikolski, Alaska (79 miles). Id of earthquake: us7000csln. Event ids that are associated: ak020g9szqzn, us7000csln. Exact time and date of earthquake 19/12/20 / 2020-12-19 21:41:03 / December 19, 2020 @ 9:41 pm UTC/GMT. The 4.2-magnitude earthquake has occurred at 21:41:03 / 9:41 pm (local time epicenter). Exact location of event, longitude -170.4935 West, latitude 52.3643 North, depth = 52.99 km. The earthquake was roughly at a depth of 52.99 km (33 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

There are an estimated 13,000 light quakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been thirteen, in the last 10 days fifteen, in the past 30 days twenty-five and in the last 365 days one hundred and seventy-five earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel anything?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 127 km WSW of Nikolski, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -170.4935° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.3643° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 52.99 km Depth of the event in kilometers.
Place 127 km WSW 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 2020-12-19 21:41:03 Time when the event occurred. UTC/GMT
Updated 2020-12-31 03:30:41 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 271 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 0.587 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.77 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 141 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 us7000csln Id of event.
Event Code 7000csln An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak020g9szqzn,us7000csln, A comma-separated list of event ids that are associated to an event.

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