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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag was detected near Visokoi Island in South Georgia and the South Sandwich Islands


Earthquake location -56.4439S, -26.312WA light earthquake magnitude 4.4 (ml/mb) has occurred on Thursday, 61 km ENE of Visokoi Island, South Georgia and the South Sandwich Islands (38 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: us1000dw1g. Id of event: us1000dw1g. The epicenter of the earthquake was roughly 54.32 km (34 miles) below the earth’s surface. The 4.4-magnitude earthquake was detected at 16:47:45 / 4:47 pm (local time epicenter). Exact location of event, depth 54.32 km, -26.312° West, -56.4439° South. Date and time of earthquake in UTC/GMT: 26/04/18 / 2018-04-26 18:47:45 / April 26, 2018 @ 6:47 pm.

In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days seven and in the last 365 days ninety-five 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. There are an estimated 13,000 light quakes in the world each year.

How would you describe the shaking?

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: 61 km ENE 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 4.4 mb The magnitude for the event.
Longitude -26.312° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -56.4439° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 54.32 km Depth of the event in kilometers.
Place 61km ENE 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 2018-04-26 18:47:45 Time when the event occurred. UTC/GMT
Updated 2018-05-09 17:09:30 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 298 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 6.193 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.61 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 128 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 us1000dw1g Id of event.
Event Code 1000dw1g An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000dw1g, A comma-separated list of event ids that are associated to an event.

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