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Light earthquake, 4.2 mag was detected near Adak in Alaska

Posted by admin on October 24, 2020 0 Comments

Earthquake location 52.2529S, -179.0244WA light earthquake with magnitude 4.2 (ml/mb) was detected on Saturday, 169 km WNW of Adak, Alaska (105 miles). The epicenter of the earthquake was roughly 207.87 km (129 miles) below the earth’s surface. The temblor was picked up at 04:01:05 / 4:01 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude -179.0244 West, latitude 52.2529 North, depth = 207.87 km. Exact time and date of event in UTC/GMT: 24/10/20 / 2020-10-24 04:01:05 / October 24, 2020 @ 4:01 am. Unique identifier: us6000ccf3. Ids that are associated to the event: us6000ccf3.

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

Questions or comments?

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: 169 km WNW of Adak, Alaska.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -179.0244° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.2529° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 207.87 km Depth of the event in kilometers.
Place 169 km WNW of Adak, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-10-24 04:01:05 Time when the event occurred. UTC/GMT
Updated 2020-10-24 04:18:23 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 271 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 0.454 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.86 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 61 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 us6000ccf3 Id of event.
Event Code 6000ccf3 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000ccf3, A comma-separated list of event ids that are associated to an event.

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