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Light earthquake: M4.7 quake has struck near Bristol Island in South Sandwich Islands

Posted by admin on December 27, 2017 0 Comments

Earthquake location -58.0734S, -25.87WA light earthquake magnitude 4.7 (ml/mb) has occurred on Wednesday, 113 km NNE of Bristol Island, South Sandwich Islands (70 miles). Exact time and date of earthquake 27/12/17 / 2017-12-27 10:11:16 / December 27, 2017 @ 10:11 am UTC/GMT. The 4.7-magnitude earthquake has occurred at 08:11:16 / 8:11 am (local time epicenter). Event id: us1000bwn9. Ids that are associated to the earthquake: us1000bwn9. Exact location, longitude -25.87° West, latitude -58.0734° South, depth = 116.35 km. The epicenter was at a depth of 116.35 km (72 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Every year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days four and in the last 365 days thirty earthquakes of magnitude 3.0 or greater that has struck near.

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: 113 km NNE of Bristol Island, South Sandwich Islands. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude -25.87° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -58.0734° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 116.35 km Depth of the event in kilometers.
Place 113km NNE of Bristol Island, 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 2017-12-27 10:11:16 Time when the event occurred. UTC/GMT
Updated 2017-12-27 10:56:51 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 340 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 7.037 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.42 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 69 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 us1000bwn9 Id of event.
Event Code 1000bwn9 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000bwn9, A comma-separated list of event ids that are associated to an event.

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