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Light earthquake, 4.2 mag was detected near Sand Point in Alaska

Posted by admin on October 20, 2020 0 Comments

Earthquake location 54.2707S, -159.594WA light earthquake with magnitude 4.2 (ml/mb) was detected on Tuesday, 132 km SSE of Sand Point, Alaska (82 miles). The temblor was picked up at 09:17:47 / 9:17 am (local time epicenter). The earthquake was roughly at a depth of 20.06 km (12 miles). Exact location of event, depth 20.06 km, -159.594° West, 54.2707° North. Event id: us6000c9xr. Ids that are associated to the earthquake: us6000c9xr. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 20/10/20 / 2020-10-20 09:17:47 / October 20, 2020 @ 9:17 am UTC/GMT.

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. In the past 24 hours, there have been sixty-two, in the last 10 days sixty-two, in the past 30 days seventy-five and in the last 365 days three hundred and fourty-eight earthquakes of magnitude 3.0 or greater that have been detected nearby.

How would you describe the shaking?

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: 132 km SSE of Sand Point, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -159.594° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.2707° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 20.06 km Depth of the event in kilometers.
Place 132 km SSE of Sand Point, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-10-20 09:17:47 Time when the event occurred. UTC/GMT
Updated 2020-10-20 10:01:33 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 0.561 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 170 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 us6000c9xr Id of event.
Event Code 6000c9xr An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000c9xr, A comma-separated list of event ids that are associated to an event.

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