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Moderate earthquake, 5.3 mag was detected near Sand Point in Alaska

Earthquake location 54.676S, -159.695WA moderate earthquake magnitude 5.3 (ml/mb) has occurred on Saturday, 89 km SE of Sand Point, Alaska (55 miles). Date and time of earthquake in UTC/GMT: 19/12/20 / 2020-12-19 00:10:43 / December 19, 2020 @ 12:10 am. Id of earthquake: at00qlk8hv. Event ids that are associated: at00qlk8hv. A tsunami warning has been issued near Sand Point in Alaska (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, -159.695° West, 54.676° North, depth 42 km. The 5.3-magnitude earthquake was detected at 00:10:43 / 12:10 am (local time epicenter). The earthquake occurred at a depth of 42 km (26 miles).

In the past 24 hours, there have been one, in the last 10 days thirteen, in the past 30 days eighty-nine and in the last 365 days one thousand, three hundred and thirty-nine earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. Each year there are an estimated 1320 moderate 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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 89 km SE of Sand Point, Alaska.

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More information

Parameter Value Description
Magnitude 5.3 mb The magnitude for the event.
Longitude -159.695° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.676° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 42 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 2020-12-19 00:10:43 Time when the event occurred. UTC/GMT
Updated 2020-12-19 00:17:20 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 432 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 59 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.8111787 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.96 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 165.599986752 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 at00qlk8hv Id of event.
Event Code 00qlk8hv An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00qlk8hv, A comma-separated list of event ids that are associated to an event.

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