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Light earthquake, 4.3 mag strikes near Sand Point in Alaska

Posted by admin on October 23, 2020 0 Comments

Earthquake location 54.2461S, -159.5391WA light earthquake magnitude 4.3 (ml/mb) has struck on Friday, 136 km SSE of Sand Point, Alaska (85 miles). Exact location of earthquake, longitude -159.5391 West, latitude 54.2461 North, depth = 21.35 km. Exact time and date of earthquake 23/10/20 / 2020-10-23 07:21:21 / October 23, 2020 @ 7:21 am UTC/GMT. 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 21.35 km (13 miles) below the earth’s surface. The temblor was reported at 07:21:21 / 7:21 am (local time epicenter). Unique identifier: us6000cbxg. Ids that are associated to the event: us6000cbxg.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been four, in the last 10 days one hundred and twenty-one, in the past 30 days one hundred and thirty-four and in the last 365 days three hundred and ninety-five earthquakes of magnitude 3.0 or greater that has occurred nearby. Every year there are an estimated 13,000 light earthquakes 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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 136 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 4.3 mb The magnitude for the event.
Longitude -159.5391° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.2461° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 21.35 km Depth of the event in kilometers.
Place 136 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 2020-10-23 07:21:21 Time when the event occurred. UTC/GMT
Updated 2020-10-23 07:36:53 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 284 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 0.586 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.62 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 165 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 us6000cbxg Id of event.
Event Code 6000cbxg An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000cbxg, A comma-separated list of event ids that are associated to an event.

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