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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.6 mag was detected near Sand Point in Alaska

Posted by admin on October 21, 2020 0 Comments

Earthquake location 54.1499S, -159.7837WA light earthquake magnitude 4.6 (ml/mb) has occurred on Wednesday, 139 km SSE of Sand Point, Alaska (86 miles). The epicenter of the earthquake was roughly 17.31 km (11 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude -159.7837 West, latitude 54.1499 North, depth = 17.31 km. Unique identifier: us6000calf. Ids that are associated to the event: us6000calf. The 4.6-magnitude earthquake was detected at 11:34:52 / 11:34 am (local time epicenter). Date and time of earthquake in UTC/GMT: 21/10/20 / 2020-10-21 11:34:52 / October 21, 2020 @ 11:34 am.

In the past 24 hours, there have been twenty-seven, in the last 10 days ninety-six, in the past 30 days one hundred and eleven and in the last 365 days three hundred and fourty-two 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. Each year there are an estimated 13,000 light quakes in the world.

Did you feel anything?

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 4.6 mb The magnitude for the event.
Longitude -159.7837° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.1499° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 17.31 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 2020-10-21 11:34:52 Time when the event occurred. UTC/GMT
Updated 2020-10-21 11:49:11 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 326 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 0.691 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.57 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 166 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 us6000calf Id of event.
Event Code 6000calf An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000calf, A comma-separated list of event ids that are associated to an event.

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