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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag has occurred near Visokoi Island in South Georgia and the South Sandwich Islands

Posted by admin on August 18, 2018 0 Comments

Earthquake location -56.4778S, -24.9065WA light earthquake magnitude 4.3 (ml/mb) strikes 143 km E of Visokoi Island, South Georgia and the South Sandwich Islands (89 miles) on Saturday. The earthquake occurred at a depth of 11.68 km (7 miles). Exact location of event, depth 11.68 km, -24.9065° West, -56.4778° South. The temblor was reported at 10:37:29 / 10:37 am (local time epicenter). All ids that are associated to the event: us1000g5ci. Unique identifier: us1000g5ci. Date and time of earthquake in UTC/GMT: 04/08/18 / 2018-08-04 12:37:29 / August 4, 2018 @ 12:37 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Each year there are an estimated 13,000 light quakes in the world. In the past 24 hours, there have been two, in the last 10 days four, in the past 30 days four and in the last 365 days thirty-one earthquakes of magnitude 3.0 or greater that have been detected nearby. 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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 143 km E 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 4.3 mb The magnitude for the event.
Longitude -24.9065° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -56.4778° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 11.68 km Depth of the event in kilometers.
Place 143km E 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 2018-08-04 12:37:29 Time when the event occurred. UTC/GMT
Updated 2018-08-18 12:39:21 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 284 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 17.843 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.23 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 208 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 us1000g5ci Id of event.
Event Code 1000g5ci An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000g5ci, A comma-separated list of event ids that are associated to an event.

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