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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag was detected near Bristol Island in South Sandwich Islands

Posted by admin on November 1, 2017 0 Comments

Earthquake location -60.634S, -26.7913WA light earthquake with magnitude 4.5 (ml/mb) was reported 179 km S of Bristol Island, South Sandwich Islands (111 miles) on Saturday. The 4.5-magnitude earthquake was detected at 04:45:51 / 4:45 am (local time epicenter). Exact time and date of earthquake 14/10/17 / 2017-10-14 06:45:51 / October 14, 2017 @ 6:45 am UTC/GMT. The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, -26.7913° West, -60.634° South, depth 10 km. Id of earthquake: us1000aunl. Event ids that are associated: us1000aunl.

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

Questions or comments?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 179 km S 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 4.5 mb The magnitude for the event.
Longitude -26.7913° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -60.634° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 179km S 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 2017-10-14 06:45:51 Time when the event occurred. UTC/GMT
Updated 2017-11-01 08:05:43 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 14.555 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.51 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 96 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 us1000aunl Id of event.
Event Code 1000aunl An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000aunl, A comma-separated list of event ids that are associated to an event.

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