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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.7 mag strikes near Bristol Island in South Sandwich Islands

Posted by admin on September 28, 2017 0 Comments

Earthquake location -59.2757S, -25.2724WA light earthquake magnitude 4.7 (ml/mb) has struck on Saturday, 76 km ESE of Bristol Island, South Sandwich Islands (47 miles). The epicenter was at a depth of 10 km (6 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global time and date of event 09/09/17 / 2017-09-09 07:54:59 / September 9, 2017 @ 7:54 am UTC/GMT. Id of earthquake: us2000arsw. Event ids that are associated: us2000arsw. The 4.7-magnitude earthquake was detected at 05:54:59 / 5:54 am (local time epicenter). Exact location of earthquake, -25.2724° West, -59.2757° South, depth 10 km.

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

Did you feel the quake?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. 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: 76 km ESE of Bristol Island, South Sandwich Islands.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude -25.2724° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -59.2757° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 76km ESE 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 2017-09-09 07:54:59 Time when the event occurred. UTC/GMT
Updated 2017-09-28 06:37:17 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 7.93 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.77 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 84 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 us2000arsw Id of event.
Event Code 2000arsw An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000arsw, A comma-separated list of event ids that are associated to an event.

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