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Major earthquake: M7.3 quake has struck near Visokoi Island in South Georgia and the South Sandwich Islands

Earthquake location -56.1S, -26.9WA major earthquake magnitude 7.3 (ml/mb) strikes 69 km NNE of Visokoi Island, South Georgia and the South Sandwich Islands (43 miles) on Saturday. Date and time of earthquake in UTC/GMT: 28/05/16 / 2016-05-28 09:47:03 / May 28, 2016 @ 9:47 am. Event ids that are associated to the earthquake: at00o7vsif. Id of event: at00o7vsif. Exact location of earthquake, longitude -26.9 West, latitude -56.1 South, depth = 103 km. The epicenter of the earthquake was roughly 103 km (64 miles) below the earth’s surface. A tsunami warning has been issued near Visokoi Island in South Georgia and the South Sandwich Islands (Does not indicate if a tsunami actually did or will exist). The 7.3-magnitude earthquake has occurred at 07:47:03 / 7:47 am (local time epicenter).

There are an estimated 15 major earthquakes in the world each year. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days seven and in the last 365 days eighty-five earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 7.0 to 7.9 may cause serious damage.

Did you feel it?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 69 km NNE of Visokoi Island, South Georgia and the South Sandwich Islands.

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More information

Parameter Value Description
Magnitude 7.3 mb The magnitude for the event.
Longitude -26.9° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -56.1° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 103 km Depth of the event in kilometers.
Place 69km NNE of Visokoi Island, South Georgia and the South Sandwich Islands Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-05-28 09:47:03 Time when the event occurred. UTC/GMT
Updated 2016-05-28 09:59:22 Time when the event was most recently updated. UTC/GMT
Timezone offset -120 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 ,at, A comma-separated list of network contributors.
Number of Stations Used 27 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 5.71598015 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.04 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 68.4 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 at00o7vsif Id of event.
Event Code 00o7vsif An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00o7vsif, A comma-separated list of event ids that are associated to an event.

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