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Light earthquake, 4.3 mag was detected near Sand Point in Alaska

Posted by admin on October 30, 2020 0 Comments

Earthquake location 54.4048S, -159.7133WA light earthquake magnitude 4.3 (ml/mb) has struck on Friday, 115 km SSE of Sand Point, Alaska (71 miles). The 4.3-magnitude earthquake was detected at 13:11:52 / 1:11 pm (local time epicenter). Event id: us7000c7yn. Ids that are associated to the earthquake: us7000c7yn. Global time and date of event 30/10/20 / 2020-10-30 13:11:52 / October 30, 2020 @ 1:11 pm UTC/GMT. Exact location, longitude -159.7133° West, latitude 54.4048° North, depth = 19.88 km. The earthquake was roughly at a depth of 19.88 km (12 miles). 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 four, in the last 10 days one hundred and fourty, in the past 30 days three hundred and in the last 365 days six hundred earthquakes of magnitude 3.0 or greater that have been detected nearby. 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.

Did you feel anything?

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: 115 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 -159.7133° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.4048° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 19.88 km Depth of the event in kilometers.
Place 115 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 2020-10-30 13:11:52 Time when the event occurred. UTC/GMT
Updated 2020-10-30 13:31:54 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 0.433 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.76 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 228 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 us7000c7yn Id of event.
Event Code 7000c7yn An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000c7yn, A comma-separated list of event ids that are associated to an event.

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