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

Posted by admin on October 19, 2020 0 Comments

Earthquake location 54.2079S, -159.8945WA light earthquake with magnitude 4.3 (ml/mb) was detected on Monday, 131 km SSE of Sand Point, Alaska (81 miles). The epicenter of the earthquake was roughly 18.57 km (12 miles) below the earth’s surface. Event id: us6000c9mu. Ids that are associated to the earthquake: ak020dgxkk8v, us6000c9mu. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 22:00:57 / 10:00 pm (local time epicenter). Exact time and date of earthquake 19/10/20 / 2020-10-19 22:00:57 / October 19, 2020 @ 10:00 pm UTC/GMT. Exact location of earthquake, longitude -159.8945 West, latitude 54.2079 North, depth = 18.57 km.

Each year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been seventeen, in the last 10 days seventeen, in the past 30 days thirty-two and in the last 365 days two hundred and eighty-three earthquakes of magnitude 3.0 or greater that have been detected in the same area.

How would you describe the shaking?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 131 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 -159.8945° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.2079° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 18.57 km Depth of the event in kilometers.
Place 131 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 2020-10-19 22:00:57 Time when the event occurred. UTC/GMT
Updated 2020-10-19 22:24:08 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 ,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 0.649 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.62 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 242 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 us6000c9mu Id of event.
Event Code 6000c9mu An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak020dgxkk8v,us6000c9mu, A comma-separated list of event ids that are associated to an event.

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