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World Magnitude 2.5+ Earthquakes

Earthquake 4.9 mag, 122 km NNE of Bristol Island, South Sandwich Islands

Earthquake location -57.9788S, -25.916WAn earthquake with magnitude 4.9 mg/mb has occurred in 122 km NNE of Bristol Island, South Sandwich Islands. Time of event: Saturday 2nd August @ 1:11 am UTC. Location of event: -25.916S, -57.9788W, depth=56.17 km. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about quake recorded in: 122 km NNE of Bristol Island, South Sandwich Islands. Did you feel it? Leave a comment or report about shaking, activity and damage at your home, city and country.

More information

Parameter Value Description
Magnitude 4.9 mb The magnitude for the event.
Longitude -25.916° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -57.9788° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 56.17 km Depth of the event in kilometers.
Place 122km 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 2014-08-02 01:11:59 Time when the event occurred. UTC/GMT
Updated 2014-08-02 01:31:14 Time when the event was most recently updated. UTC/GMT
Timezone offset -120 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 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 369 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 16.695 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.68 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 55 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 usb000rze2 Id of event.
Event Code b000rze2 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS usb000rze2 A comma-separated list of event ids that are associated to an event.

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