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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.6 mag has occurred near Visokoi Island in South Georgia and the South Sandwich Islands

Posted by admin on August 21, 2017 0 Comments

Earthquake location -56.9961S, -24.9389WA light earthquake with magnitude 4.6 (ml/mb) was detected on Saturday, 141 km ESE of Visokoi Island, South Georgia and the South Sandwich Islands (88 miles). Exact location of event, depth 35 km, -24.9389° West, -56.9961° South. Id of earthquake: us2000a6gj. Event ids that are associated: us2000a6gj. Global date and time of event UTC/GMT: 05/08/17 / 2017-08-05 16:59:20 / August 5, 2017 @ 4:59 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was detected at 14:59:20 / 2:59 pm (local time epicenter). The epicenter was at a depth of 35 km (22 miles).

Every year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days three and in the last 365 days fifty-six earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel the quake?

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 141 km ESE of Visokoi Island, South Georgia and the South Sandwich Islands. This data 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 -24.9389° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -56.9961° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 141km ESE 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 2017-08-05 16:59:20 Time when the event occurred. UTC/GMT
Updated 2017-08-21 15:41:33 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 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 7.079 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.35 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 182 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 us2000a6gj Id of event.
Event Code 2000a6gj An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000a6gj, A comma-separated list of event ids that are associated to an event.

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