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Light earthquake: M4.3 quake has struck near Sand Point in Alaska

Posted by admin on October 20, 2020 0 Comments

Earthquake location 54.2063S, -159.6829WA light earthquake magnitude 4.3 (ml/mb) has occurred on Tuesday, 136 km SSE of Sand Point, Alaska (85 miles). Global time and date of event 20/10/20 / 2020-10-20 05:39:20 / October 20, 2020 @ 5:39 am UTC/GMT. The temblor was reported at 05:39:20 / 5:39 am (local time epicenter). The epicenter was at a depth of 20.13 km (13 miles). Exact location of earthquake, -159.6829° West, 54.2063° North, depth 20.13 km. Event id: us6000c9vh. Ids that are associated to the earthquake: us6000c9vh. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

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

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. 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: 136 km SSE of Sand Point, Alaska.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -159.6829° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.2063° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 20.13 km Depth of the event in kilometers.
Place 136 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 05:39:20 Time when the event occurred. UTC/GMT
Updated 2020-10-20 06:13:03 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 284 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 0.628 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.66 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 95 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 us6000c9vh Id of event.
Event Code 6000c9vh An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000c9vh, A comma-separated list of event ids that are associated to an event.

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