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Light earthquake: M4.6 quake has struck near Attu Station in Alaska

Posted by admin on November 30, 2020 0 Comments

Earthquake location 51.287S, 173.3649WA light earthquake magnitude 4.6 (ml/mb) has occurred on Monday, 173 km S of Attu Station, Alaska (107 miles). Id of earthquake: us7000claq. Event ids that are associated: ak020fedr768, us7000claq. Exact location of earthquake, 173.3649° East, 51.287° North, depth 26.1 km. The 4.6-magnitude earthquake has occurred at 21:35:50 / 9:35 pm (local time epicenter). Global date and time of event UTC/GMT: 30/11/20 / 2020-11-30 21:35:50 / November 30, 2020 @ 9:35 pm. The earthquake occurred at a depth of 26.1 km (16 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Every 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. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days three and in the last 365 days ten earthquakes of magnitude 3.0 or greater that has occurred nearby.

How would you describe the shaking?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 173 km S of Attu Station, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 173.3649° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.287° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 26.1 km Depth of the event in kilometers.
Place 173 km S of Attu Station, 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 21:35:50 Time when the event occurred. UTC/GMT
Updated 2020-11-30 22:58:21 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 326 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 1.514 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.69 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 150 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 us7000claq Id of event.
Event Code 7000claq An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak020fedr768,us7000claq, A comma-separated list of event ids that are associated to an event.

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