Light earthquake 4 mag, Rat Islands, Aleutian Islands, Alaska

A light earthquake magnitude 4 (ml/mb) has struck on Friday, Rat Islands, Aleutian Islands, Alaska (0 miles). All ids that are associated to the event: ak0211c9gwuu. Unique identifier: ak0211c9gwuu. The 4-magnitude earthquake was detected at 18:27:52 / 6:27 pm (local time epicenter). Exact location of event, longitude 177.8931 East, latitude 50.9208 North, depth = 45.6 km. Exact time and date of event in UTC/GMT: 29/01/21 / 2021-01-29 18:27:52 / January 29, 2021 @ 6:27 pm. The earthquake was roughly at a depth of 45.6 km (28 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Each year there are an estimated 13,000 light quakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days five and in the last 365 days eighty-seven earthquakes of magnitude 3.0 or greater that has struck near.

Did you feel it?

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

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Parameter	Value	Description
Magnitude	4 mb	The magnitude for the event.
Longitude	177.8931° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	50.9208° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	45.6 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	2021-01-29 18:27:52	Time when the event occurred. UTC/GMT
Updated	2021-01-30 00:43:28	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	246	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	0.95 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	ak0211c9gwuu	Id of event.
Event Code	0211c9gwuu	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak0211c9gwuu,	A comma-separated list of event ids that are associated to an event.

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Light earthquake 4 mag, Rat Islands, Aleutian Islands, Alaska

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