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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag was detected near Yunaska Island in Alaska

Posted by admin on January 14, 2019 0 Comments

Earthquake location 53.0693S, -170.0805WA light earthquake with magnitude 4 (ml/mb) was detected on Sunday, 64 km NE of Yunaska Island, Alaska (40 miles). Exact location of earthquake, -170.0805° West, 53.0693° North, depth 235.07 km. The epicenter was at a depth of 235.07 km (146 miles). Global time and date of event 16/12/18 / 2018-12-16 19:46:14 / December 16, 2018 @ 7:46 pm UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was detected at 09:46:14 / 9:46 am (local time epicenter). Unique identifier: us2000ivwt. Ids that are associated to the event: us2000ivwt.

There are an estimated 13,000 light quakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days eight and in the last 365 days ninety earthquakes of magnitude 3.0 or greater that have been detected nearby.

How would you describe the shaking?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 64 km NE of Yunaska Island, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -170.0805° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 53.0693° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 235.07 km Depth of the event in kilometers.
Place 64km NE of Yunaska Island, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-12-16 19:46:14 Time when the event occurred. UTC/GMT
Updated 2019-01-14 17:05:16 Time when the event was most recently updated. UTC/GMT
Timezone offset -600 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 246 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 2.645 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.25 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 117 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 us2000ivwt Id of event.
Event Code 2000ivwt An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000ivwt, A comma-separated list of event ids that are associated to an event.

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