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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag was detected near Sand Point in Alaska

Posted by admin on November 11, 2020 0 Comments

Earthquake location 54.1947S, -159.6032WA light earthquake magnitude 4.2 (ml/mb) has occurred on Tuesday, 139 km SSE of Sand Point, Alaska (86 miles). Unique identifier: us6000cc6e. Ids that are associated to the event: ak020diaz7v0, us6000cc6e. The 4.2-magnitude earthquake was detected at 04:58:22 / 4:58 am (local time epicenter). The earthquake occurred at a depth of 22.01 km (14 miles) below the earth’s surface. Global date and time of event UTC/GMT: 20/10/20 / 2020-10-20 04:58:22 / October 20, 2020 @ 4:58 am. Exact location of event, depth 22.01 km, -159.6032° West, 54.1947° North. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

In the past 24 hours, there have been six hundred and one, in the last 10 days six hundred and one, in the past 30 days six hundred and seventeen and in the last 365 days eight hundred and sixty-two earthquakes of magnitude 3.0 or greater that has occurred nearby. Each year there are an estimated 13,000 light quakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 139 km SSE of Sand Point, Alaska.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -159.6032° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.1947° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 22.01 km Depth of the event in kilometers.
Place 139 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 04:58:22 Time when the event occurred. UTC/GMT
Updated 2020-11-11 02:40:56 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 271 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 0.637 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.93 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 173 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 us6000cc6e Id of event.
Event Code 6000cc6e An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak020diaz7v0,us6000cc6e, A comma-separated list of event ids that are associated to an event.

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