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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.9 mag has occurred near Visokoi Island in South Georgia and the South Sandwich Islands


Earthquake location -56.2066S, -26.7759WA light earthquake with magnitude 4.9 (ml/mb) was reported 60 km NNE of Visokoi Island, South Georgia and the South Sandwich Islands (37 miles) on Tuesday. The earthquake occurred at a depth of 61.02 km (38 miles). The 4.9-magnitude earthquake has occurred at 16:47:49 / 4:47 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 11/08/15 / 2015-08-11 18:47:49 / August 11, 2015 @ 6:47 pm UTC/GMT. Exact location of earthquake, -26.7759° West, -56.2066° South, depth 61.02 km. Id of earthquake: us100035d5. Event ids that are associated: us100035d5.

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

Questions or comments?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 60 km NNE of Visokoi Island, South Georgia and the South Sandwich Islands. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.9 mb The magnitude for the event.
Longitude -26.7759° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -56.2066° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 61.02 km Depth of the event in kilometers.
Place 60km 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 2015-08-11 18:47:49 Time when the event occurred. UTC/GMT
Updated 2015-09-10 16:24:25 Time when the event was most recently updated. UTC/GMT
Timezone offset -120 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 369 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 5.88 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.73 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 60 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 us100035d5 Id of event.
Event Code 100035d5 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100035d5, A comma-separated list of event ids that are associated to an event.

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