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Minor earthquake: M3.3 quake has struck near Sand Point in Alaska

Posted by admin on October 30, 2020 0 Comments

Earthquake location 54.1132S, -159.4682WA minor earthquake with magnitude 3.3 (ml/mb) was detected on Wednesday, 151 km SSE of Sand Point, Alaska (94 miles). Global time and date of event 21/10/20 / 2020-10-21 18:47:58 / October 21, 2020 @ 6:47 pm UTC/GMT. The temblor was detected at 18:47:58 / 6:47 pm (local time epicenter). Exact location, longitude -159.4682° West, latitude 54.1132° North, depth = 10 km. The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. Event id: us7000c72l. Ids that are associated to the earthquake: ak020dk6jh8i, us7000c72l.

Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. In the past 24 hours, there have been one hundred and thirty-four, in the last 10 days two hundred and ninety-three, in the past 30 days three hundred and seven and in the last 365 days four hundred and ninety-four earthquakes of magnitude 3.0 or greater that has struck near. Every year there are an estimated 130,000 minor earthquakes in the world.

Did you feel it?

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: 151 km SSE of Sand Point, Alaska.

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More information

Parameter Value Description
Magnitude 3.3 mb The magnitude for the event.
Longitude -159.4682° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.1132° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 151 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 2020-10-21 18:47:58 Time when the event occurred. UTC/GMT
Updated 2020-10-30 15:57:18 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 168 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 0.722 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.67 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 264 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 us7000c72l Id of event.
Event Code 7000c72l An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak020dk6jh8i,us7000c72l, A comma-separated list of event ids that are associated to an event.

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