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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.7 mag, 45 km WSW of Atka, Alaska

Earthquake location 52.0352S, -174.8141WA light earthquake magnitude 4.7 (ml/mb) has occurred on Thursday, 45 km WSW of Atka, Alaska (28 miles). The temblor was reported at 16:32:12 / 4:32 pm (local time epicenter). Exact time and date of event in UTC/GMT: 17/12/20 / 2020-12-17 16:32:12 / December 17, 2020 @ 4:32 pm. All ids that are associated to the event: us7000crui. Unique identifier: us7000crui. The earthquake was roughly at a depth of 80.04 km (50 miles). Exact location of event, longitude -174.8141 West, latitude 52.0352 North, depth = 80.04 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

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 six and in the last 365 days one hundred and fourty-four earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 13,000 light quakes in the world.

Did you feel it?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity 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: 45 km WSW of Atka, Alaska.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude -174.8141° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.0352° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 80.04 km Depth of the event in kilometers.
Place 45 km WSW of Atka, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-12-17 16:32:12 Time when the event occurred. UTC/GMT
Updated 2020-12-17 17:38:45 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 340 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 0.415 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.97 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 173 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 us7000crui Id of event.
Event Code 7000crui An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000crui, A comma-separated list of event ids that are associated to an event.

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