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Minor World Earthquakes Magnitude -3.9

Minor earthquake: M3.7 quake has struck near Sand Point in Alaska

Posted by admin on October 28, 2020 0 Comments

Earthquake location 54.7291S, -159.9552WA minor earthquake with magnitude 3.7 (ml/mb) was detected on Wednesday, 76 km SSE of Sand Point, Alaska (47 miles). Exact location of event, longitude -159.9552 West, latitude 54.7291 North, depth = 35.06 km. Global time and date of event 21/10/20 / 2020-10-21 07:59:02 / October 21, 2020 @ 7:59 am UTC/GMT. The 3.7-magnitude earthquake has occurred at 07:59:02 / 7:59 am (local time epicenter). The earthquake occurred at a depth of 35.06 km (22 miles). Event id: us7000c6bp. Ids that are associated to the earthquake: us7000c6bp.

Every year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been one hundred, in the last 10 days two hundred and thirty-eight, in the past 30 days two hundred and fifty-five and in the last 365 days five hundred and seventy earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Did you feel the quake?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 76 km SSE of Sand Point, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.7 mb The magnitude for the event.
Longitude -159.9552° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.7291° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35.06 km Depth of the event in kilometers.
Place 76 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 07:59:02 Time when the event occurred. UTC/GMT
Updated 2020-10-28 07:26:24 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 211 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 ,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 0.235 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.79 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 197 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 us7000c6bp Id of event.
Event Code 7000c6bp An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000c6bp, A comma-separated list of event ids that are associated to an event.

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