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Light earthquake: M4.7 quake has struck near Bristol Island in South Sandwich Islands

Posted by admin on April 25, 2018 0 Comments

Earthquake location -60.1609S, -30.2202WA light earthquake with magnitude 4.7 (ml/mb) was detected on Wednesday, 243 km WSW of Bristol Island, South Sandwich Islands (151 miles). The earthquake was roughly 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). The 4.7-magnitude earthquake has occurred at 11:10:37 / 11:10 am (local time epicenter). Event ids that are associated to the earthquake: us1000drzw. Id of event: us1000drzw. Global date and time of event UTC/GMT: 25/04/18 / 2018-04-25 13:10:37 / April 25, 2018 @ 1:10 pm. Exact location of event, depth 10 km, -30.2202° West, -60.1609° South.

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

Did you feel the quake?

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. 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: 243 km WSW 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 -30.2202° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -60.1609° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 243km WSW 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 2018-04-25 13:10:37 Time when the event occurred. UTC/GMT
Updated 2018-04-25 13:29:49 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 6.801 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.58 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 116 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 us1000drzw Id of event.
Event Code 1000drzw An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000drzw, A comma-separated list of event ids that are associated to an event.

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