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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.6 mag was detected near Visokoi Island in South Georgia and the South Sandwich Islands

Posted by admin on November 3, 2018 0 Comments

Earthquake location -55.909S, -27.8018WA light earthquake with magnitude 4.6 (ml/mb) was reported 95 km NNW of Visokoi Island, South Georgia and the South Sandwich Islands (59 miles) on Thursday. Date and time of earthquake in UTC/GMT: 25/10/18 / 2018-10-25 23:47:45 / October 25, 2018 @ 11:47 pm. Exact location, longitude -27.8018° West, latitude -55.909° South, depth = 112.02 km. The 4.6-magnitude earthquake was detected at 21:47:45 / 9:47 pm (local time epicenter). The epicenter was at a depth of 112.02 km (70 miles). All ids that are associated to the event: us2000i4n2. Unique identifier: us2000i4n2. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been four, in the last 10 days five, in the past 30 days ten and in the last 365 days seventy-five earthquakes of magnitude 3.0 or greater that have been detected nearby. Each year there are an estimated 13,000 light earthquakes in the world.

Did you feel anything?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 95 km NNW 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 4.6 mb The magnitude for the event.
Longitude -27.8018° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -55.909° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 112.02 km Depth of the event in kilometers.
Place 95km NNW 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 2018-10-25 23:47:45 Time when the event occurred. UTC/GMT
Updated 2018-11-03 21:33:09 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 5.247 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.54 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 65 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 us2000i4n2 Id of event.
Event Code 2000i4n2 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000i4n2, A comma-separated list of event ids that are associated to an event.

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