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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag has occurred near Rat Islands, Aleutian Islands, Alaska


Earthquake location 51.0431S, 179.164WA light earthquake with magnitude 4 (ml/mb) was detected on Wednesday, Rat Islands, Aleutian Islands, Alaska (0 miles). The epicenter was at a depth of 22.346 km (14 miles). The temblor was detected at 03:56:18 / 3:56 am (local time epicenter). All ids that are associated to the event: us7000nw5l. Unique identifier: us7000nw5l. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 20/11/24 / 2024-11-20 03:56:18 / November 20, 2024 @ 3:56 am UTC/GMT. Exact location of event, longitude 179.164 East, latitude 51.0431 North, depth = 22.346 km.

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 three, in the last 10 days three, in the past 30 days six and in the last 365 days fourty-nine earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel anything?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: Rat Islands, Aleutian Islands, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 179.164° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.0431° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 22.346 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 2024-11-20 03:56:18 Time when the event occurred. UTC/GMT
Updated 2024-12-05 22:35:31 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 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 20 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.347 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.85 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 229 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 us7000nw5l Id of event.
Event Code 7000nw5l An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000nw5l, A comma-separated list of event ids that are associated to an event.

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