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Moderate earthquake, 5.1 mag has occurred near Sand Point in Alaska

Posted by admin on October 20, 2020 0 Comments

Earthquake location 54.687S, -159.6759WA moderate earthquake with magnitude 5.1 (ml/mb) was detected on Tuesday, 89 km SE of Sand Point, Alaska (55 miles). A tsunami warning has been issued near Sand Point in Alaska (Does not indicate if a tsunami actually did or will exist). Id of earthquake: at00qihry1. Event ids that are associated: at00qihry1. The earthquake was roughly at a depth of 17 km (11 miles). The 5.1-magnitude earthquake has occurred at 08:37:13 / 8:37 am (local time epicenter). Exact location of earthquake, longitude -159.6759 West, latitude 54.687 North, depth = 17 km. Exact time and date of event in UTC/GMT: 20/10/20 / 2020-10-20 08:37:13 / October 20, 2020 @ 8:37 am.

Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. In the past 24 hours, there have been fifty-nine, in the last 10 days fifty-nine, in the past 30 days seventy-two and in the last 365 days three hundred and eighty-four earthquakes of magnitude 3.0 or greater that has occurred nearby. Each year there are an estimated 1320 moderate quakes in the world.

How would you describe the shaking?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 89 km SE of Sand Point, Alaska.

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More information

Parameter Value Description
Magnitude 5.1 mb The magnitude for the event.
Longitude -159.6759° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.687° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 17 km Depth of the event in kilometers.
Place 89 km SE 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 08:37:13 Time when the event occurred. UTC/GMT
Updated 2020-10-20 08:44:16 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 1 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 400 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network at The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,at, A comma-separated list of network contributors.
Number of Stations Used 84 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.8066871 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.92 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 161.99998704 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 at00qihry1 Id of event.
Event Code 00qihry1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00qihry1, A comma-separated list of event ids that are associated to an event.

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