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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag has occurred near Rat Islands, Aleutian Islands, Alaska

Posted by admin on December 11, 2020 0 Comments

Earthquake location 52.2674S, 177.9175WA light earthquake with magnitude 4.2 (ml/mb) was detected on Monday, Rat Islands, Aleutian Islands, Alaska (0 miles). The epicenter was at a depth of 147.46 km (92 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: us7000cmlk. Id of event: us7000cmlk. Exact location of event, depth 147.46 km, 177.9175° East, 52.2674° North. The temblor was detected at 19:22:35 / 7:22 pm (local time epicenter). Exact time and date of event in UTC/GMT: 30/11/20 / 2020-11-30 19:22:35 / November 30, 2020 @ 7:22 pm.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been two, in the last 10 days four, in the past 30 days eight and in the last 365 days ninety-two earthquakes of magnitude 3.0 or greater that have been detected in the same area. Every year there are an estimated 13,000 light earthquakes in the world.

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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: Rat Islands, Aleutian Islands, Alaska.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 177.9175° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.2674° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 147.46 km Depth of the event in kilometers.
Place Rat Islands, Aleutian Islands, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-11-30 19:22:35 Time when the event occurred. UTC/GMT
Updated 2020-12-11 15:11:19 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 ,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 2.072 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.67 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 119 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 us7000cmlk Id of event.
Event Code 7000cmlk An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000cmlk, A comma-separated list of event ids that are associated to an event.

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