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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.2 quake has struck near Visokoi Island in South Georgia and the South Sandwich Islands

Posted by admin on May 23, 2018 0 Comments

Earthquake location -56.4311S, -27.969WA light earthquake magnitude 4.2 (ml/mb) has occurred on Thursday, 55 km WNW of Visokoi Island, South Georgia and the South Sandwich Islands (34 miles). The epicenter was at a depth of 126.94 km (79 miles). Exact location of event, longitude -27.969 West, latitude -56.4311 South, depth = 126.94 km. The temblor was reported at 04:44:40 / 4:44 am (local time epicenter). All ids that are associated to the event: us1000dw10. Unique identifier: us1000dw10. Date and time of earthquake in UTC/GMT: 26/04/18 / 2018-04-26 06:44:40 / April 26, 2018 @ 6:44 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

There are an estimated 13,000 light earthquakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been six, in the last 10 days eight, in the past 30 days eleven and in the last 365 days sixty-one earthquakes of magnitude 3.0 or greater that has occurred nearby.

How would you describe the shaking?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 55 km WNW of Visokoi Island, South Georgia and the South Sandwich Islands.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -27.969° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -56.4311° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 126.94 km Depth of the event in kilometers.
Place 55km WNW 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 06:44:40 Time when the event occurred. UTC/GMT
Updated 2018-05-23 09:23:18 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 271 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 18.575 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 105 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 us1000dw10 Id of event.
Event Code 1000dw10 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000dw10, A comma-separated list of event ids that are associated to an event.

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