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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4 quake has struck near Visokoi Island in South Georgia and the South Sandwich Islands


Earthquake location -57.5484S, -28.0191WA light earthquake with magnitude 4 (ml/mb) was reported 106 km SSW of Visokoi Island, South Georgia and the South Sandwich Islands (66 miles) on Friday. Exact time and date of event in UTC/GMT: 20/05/16 / 2016-05-20 19:43:08 / May 20, 2016 @ 7:43 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 306.54 km (190 miles) below the earth’s surface. Exact location of event, longitude -28.0191 West, latitude -57.5484 South, depth = 306.54 km. Event id: us20005y56. Ids that are associated to the earthquake: us20005y56. The 4-magnitude earthquake has occurred at 17:43:08 / 5:43 pm (local time epicenter).

Each 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 one, in the past 30 days one and in the last 365 days three earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor 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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 106 km SSW 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 mb The magnitude for the event.
Longitude -28.0191° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -57.5484° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 306.54 km Depth of the event in kilometers.
Place 106km SSW 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 2016-05-20 19:43:08 Time when the event occurred. UTC/GMT
Updated 2016-05-27 19:58:29 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 246 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 5.776 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.53 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 113 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 us20005y56 Id of event.
Event Code 20005y56 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20005y56, A comma-separated list of event ids that are associated to an event.

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