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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag strikes near Grytviken in South Georgia and the South Sandwich Islands

Posted by admin on March 15, 2016 0 Comments

Earthquake location -54.6249S, -39.3315WA light earthquake with magnitude 4.5 (ml/mb) was detected on Wednesday, 187 km WSW of Grytviken, South Georgia and the South Sandwich Islands (116 miles). The earthquake was roughly at a depth of 10 km (6 miles). Exact location of earthquake, longitude -39.3315 West, latitude -54.6249 South, depth = 10 km. Global time and date of event 09/03/16 / 2016-03-09 16:00:29 / March 9, 2016 @ 4:00 pm UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us10004wt7. Ids that are associated to the event: us10004wt7. The 4.5-magnitude earthquake has occurred at 13:00:29 / 1:00 pm (local time epicenter).

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

Did you feel the quake?

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. 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: 187 km WSW of Grytviken, South Georgia and the South Sandwich Islands.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -39.3315° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -54.6249° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 187km WSW of Grytviken, 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 2016-03-09 16:00:29 Time when the event occurred. UTC/GMT
Updated 2016-03-15 00:38:43 Time when the event was most recently updated. UTC/GMT
Timezone offset -180 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 312 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 1.695 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.65 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 110 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 us10004wt7 Id of event.
Event Code 10004wt7 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10004wt7, A comma-separated list of event ids that are associated to an event.

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