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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.6 mag has occurred near South Sandwich Islands region

Posted by admin on February 20, 2021 0 Comments

Earthquake location -55.9882S, -27.7287WA light earthquake with magnitude 4.6 (ml/mb) was detected on Sunday, South Sandwich Islands region (0 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 74.69 km (46 miles) below the earth’s surface. Global time and date of event 24/01/21 / 2021-01-24 05:32:48 / January 24, 2021 @ 5:32 am UTC/GMT. Exact location of event, longitude -27.7287 West, latitude -55.9882 South, depth = 74.69 km. Id of earthquake: us6000ddnr. Event ids that are associated: us6000ddnr. The temblor was detected at 05:32:48 / 5:32 am (local time epicenter).

In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days five and in the last 365 days seventy earthquakes of magnitude 3.0 or greater that have been detected nearby. 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.

Questions or comments?

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: South Sandwich Islands region. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude -27.7287° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -55.9882° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 74.69 km Depth of the event in kilometers.
Place South Sandwich Islands region Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2021-01-24 05:32:48 Time when the event occurred. UTC/GMT
Updated 2021-02-20 11:53:36 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 5.307 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.39 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 114 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 us6000ddnr Id of event.
Event Code 6000ddnr An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000ddnr, A comma-separated list of event ids that are associated to an event.

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