Major earthquake, 7.3 mag has occurred near South Shetland Islands

A major earthquake magnitude 7.3 (ml/mb) has struck on Saturday, South Shetland Islands (0 miles). The temblor was picked up at 23:36:55 / 11:36 pm (local time epicenter). The epicenter was at a depth of 10 km (6 miles). Event ids that are associated to the earthquake: pt21023003, at00qneuxj. Id of event: at00qneuxj. Exact location of event, depth 10 km, -55.3° West, -62° South. Global time and date of event 23/01/21 / 2021-01-23 23:36:55 / January 23, 2021 @ 11:36 pm UTC/GMT. A tsunami warning has been issued near South Shetland Islands (Does not indicate if a tsunami actually did or will exist).

Earthquakes 7.0 to 7.9 may cause serious damage. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days three earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 15 major earthquakes in the world.

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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. 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: South Shetland Islands.

South Shetland Islands

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Parameter	Value	Description
Magnitude	7.3 mb	The magnitude for the event.
Longitude	-55.3° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-62° South	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	South Shetland Islands	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2021-01-23 23:36:55	Time when the event occurred. UTC/GMT
Updated	2021-01-23 23:48:17	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	1	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	820	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	at	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,pt,at,	A comma-separated list of network contributors.
Number of Stations Used	42	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.449881	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.86 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	68.399994528	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	Mi	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	at00qneuxj	Id of event.
Event Code	00qneuxj	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pt21023003,at00qneuxj,	A comma-separated list of event ids that are associated to an event.

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Major earthquake, 7.3 mag has occurred near South Shetland Islands

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