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Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.9 mag strikes near Sand Point in Alaska

Earthquake location 54.3704S, -159.6633WA minor earthquake magnitude 3.9 (ml/mb) has occurred on Tuesday, 120 km SSE of Sand Point, Alaska (75 miles). Unique identifier: us6000ca9b. Ids that are associated to the event: ak020dibatsk, us6000ca9b. The temblor was detected at 05:54:24 / 5:54 am (local time epicenter). Global time and date of event 20/10/20 / 2020-10-20 05:54:24 / October 20, 2020 @ 5:54 am UTC/GMT. Exact location of earthquake, longitude -159.6633 West, latitude 54.3704 North, depth = 26.97 km. The epicenter of the earthquake was roughly 26.97 km (17 miles) below the earth’s surface.

In the past 24 hours, there have been one hundred and twenty-four, in the last 10 days one hundred and twenty-four, in the past 30 days one hundred and thirty-nine and in the last 365 days four hundred and twenty-seven earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor quakes in the world.

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 120 km SSE of Sand Point, Alaska.

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More information

Parameter Value Description
Magnitude 3.9 mb The magnitude for the event.
Longitude -159.6633° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.3704° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 26.97 km Depth of the event in kilometers.
Place 120 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 05:54:24 Time when the event occurred. UTC/GMT
Updated 2020-10-23 15:14:22 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 234 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 ,ak,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 0.463 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.88 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 mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us6000ca9b Id of event.
Event Code 6000ca9b An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak020dibatsk,us6000ca9b, A comma-separated list of event ids that are associated to an event.

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