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Minor earthquake 3.4 mag, 143 km SSE of Sand Point, Alaska

Earthquake location 54.2011S, -159.4281WA minor earthquake with magnitude 3.4 (ml/mb) was detected on Tuesday, 143 km SSE of Sand Point, Alaska (89 miles). Exact time and date of earthquake 20/10/20 / 2020-10-20 04:12:00 / October 20, 2020 @ 4:12 am UTC/GMT. The temblor was picked up at 04:12:00 / 4:12 am (local time epicenter). The epicenter was at a depth of 22.33 km (14 miles). Exact location of earthquake, -159.4281° West, 54.2011° North, depth 22.33 km. Id of earthquake: us7000c88d. Event ids that are associated: ak020diagcdo, us7000c88d.

In the past 24 hours, there have been six hundred and sixty-five, in the last 10 days six hundred and sixty-five, in the past 30 days six hundred and eighty and in the last 365 days nine hundred and seven earthquakes of magnitude 3.0 or greater that has occurred nearby. There are an estimated 130,000 minor quakes in the world each year. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage.

Did you feel the quake?

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: 143 km SSE of Sand Point, Alaska.

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More information

Parameter Value Description
Magnitude 3.4 mb The magnitude for the event.
Longitude -159.4281° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.2011° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 22.33 km Depth of the event in kilometers.
Place 143 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 04:12:00 Time when the event occurred. UTC/GMT
Updated 2020-11-13 02:55:10 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 178 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 0.638 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.5 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 216 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us7000c88d Id of event.
Event Code 7000c88d An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak020diagcdo,us7000c88d, A comma-separated list of event ids that are associated to an event.

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