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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.1 mag, 109 km SSE of Sand Point, Alaska

Posted by admin on October 21, 2020 0 Comments

Earthquake location 54.4193S, -159.88WA light earthquake with magnitude 4.1 (ml/mb) was reported 109 km SSE of Sand Point, Alaska (68 miles) on Wednesday. Exact location of event, depth 21.74 km, -159.88° West, 54.4193° North. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 21.74 km (14 miles). Date and time of earthquake in UTC/GMT: 21/10/20 / 2020-10-21 23:22:22 / October 21, 2020 @ 11:22 pm. Event ids that are associated to the earthquake: us6000cb2h. Id of event: us6000cb2h. The temblor was picked up at 23:22:22 / 11:22 pm (local time epicenter).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been nineteen, in the last 10 days one hundred and eight, in the past 30 days one hundred and twenty-three and in the last 365 days four hundred and seven earthquakes of magnitude 3.0 or greater that have been detected in the same area. Every year there are an estimated 13,000 light earthquakes in the world.

Questions or comments?

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: 109 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 4.1 mb The magnitude for the event.
Longitude -159.88° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.4193° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 21.74 km Depth of the event in kilometers.
Place 109 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 2020-10-21 23:22:22 Time when the event occurred. UTC/GMT
Updated 2020-10-21 23:44:01 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 259 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 0.445 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.14 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 166 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mwr The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us6000cb2h Id of event.
Event Code 6000cb2h An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000cb2h, A comma-separated list of event ids that are associated to an event.

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