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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag has occurred near Bristol Island in South Sandwich Islands

Posted by admin on December 21, 2017 0 Comments

Earthquake location -58.6777S, -25.9942WA light earthquake magnitude 4.5 (ml/mb) has struck on Tuesday, 49 km NE of Bristol Island, South Sandwich Islands (30 miles). Id of earthquake: us1000bmqr. Event ids that are associated: us1000bmqr. The 4.5-magnitude earthquake has occurred at 15:11:42 / 3:11 pm (local time epicenter). Exact location of event, depth 138.71 km, -25.9942° West, -58.6777° South. Exact time and date of earthquake 28/11/17 / 2017-11-28 17:11:42 / November 28, 2017 @ 5:11 pm UTC/GMT. The earthquake occurred at a depth of 138.71 km (86 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

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 five, in the past 30 days seven and in the last 365 days fourty-three earthquakes of magnitude 3.0 or greater that has occurred nearby. Every year there are an estimated 13,000 light earthquakes in the world.

Did you feel anything?

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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 49 km NE of Bristol Island, South Sandwich Islands.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -25.9942° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -58.6777° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 138.71 km Depth of the event in kilometers.
Place 49km NE 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 2017-11-28 17:11:42 Time when the event occurred. UTC/GMT
Updated 2017-12-21 21:22:33 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 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 9.687 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.71 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 176 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 us1000bmqr Id of event.
Event Code 1000bmqr An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000bmqr, A comma-separated list of event ids that are associated to an event.

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