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Light World Earthquakes Magnitude 4-4.9

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

Earthquake location 51.7919S, 178.2908WA light earthquake magnitude 4 (ml/mb) has occurred on Monday, Rat Islands, Aleutian Islands, Alaska (0 miles). Unique identifier: us7000ce90. Ids that are associated to the event: ak020efedll5, us7000ce90. The earthquake occurred at a depth of 122.22 km (76 miles) below the earth’s surface. The temblor was reported at 06:09:37 / 6:09 am (local time epicenter). Exact location, longitude 178.2908° East, latitude 51.7919° North, depth = 122.22 km. Date and time of earthquake in UTC/GMT: 09/11/20 / 2020-11-09 06:09:37 / November 9, 2020 @ 6:09 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

In the past 24 hours, there have been nine, in the last 10 days ten, in the past 30 days sixteen and in the last 365 days one hundred and thirty-five earthquakes of magnitude 3.0 or greater that has occurred nearby. Each year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: Rat Islands, Aleutian Islands, Alaska. This information 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 178.2908° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.7919° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 122.22 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 2020-11-09 06:09:37 Time when the event occurred. UTC/GMT
Updated 2020-12-05 08:30:30 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 ,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 0.221 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.65 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 145 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 us7000ce90 Id of event.
Event Code 7000ce90 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak020efedll5,us7000ce90, A comma-separated list of event ids that are associated to an event.

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