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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.2 quake has struck near Bristol Island in South Sandwich Islands

Posted by admin on September 22, 2017 0 Comments

Earthquake location -59.3241S, -25.4688WA light earthquake magnitude 4.2 (ml/mb) strikes 68 km ESE of Bristol Island, South Sandwich Islands (42 miles) on Wednesday. Global date and time of event UTC/GMT: 30/08/17 / 2017-08-30 10:32:02 / August 30, 2017 @ 10:32 am. Exact location of earthquake, longitude -25.4688 West, latitude -59.3241 South, depth = 35 km. The earthquake occurred at a depth of 35 km (22 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: us2000ar6i. Id of event: us2000ar6i. The 4.2-magnitude earthquake has occurred at 08:32:02 / 8:32 am (local time epicenter).

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

Did you feel it?

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 information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 68 km ESE of Bristol Island, South Sandwich Islands.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -25.4688° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -59.3241° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 68km 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 2017-08-30 10:32:02 Time when the event occurred. UTC/GMT
Updated 2017-09-22 07:15:53 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 271 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 7.875 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.44 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 113 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 us2000ar6i Id of event.
Event Code 2000ar6i An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000ar6i, A comma-separated list of event ids that are associated to an event.

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