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Strong World Earthquakes Magnitude 6–6.9, Tsunami warning alerts

Strong earthquake: M6.8 quake strikes near Sigave in Wallis and Futuna

Posted by admin on April 17, 2015 0 Comments

Earthquake location -15.5S, -178.6WA earthquake magnitude 6.8 (mg/mb) was reported Friday, 140 kilometers (87 miles) from Sigave in Wallis and Futuna. The temblor was reported at 03:52:57 / 3:52 am (local time epicenter) at a depth of 50 km (31 miles). Global time of event 17/04/15 / 2015-04-17 15:52:57 / April 17, 2015 @ 3:52 pm UTC/GMT. A tsunami warning has been issued near Sigave in Wallis and Futuna, according to the U.S. Geological Survey. Exact location of event, longitude -178.6 West, latitude -15.5 South, depth 50 km, unique identifier, at00nmyk49.

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Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded in: 140 km SSW of Sigave, Wallis and Futuna.


More information

Parameter Value Description
Magnitude 6.8 mb The magnitude for the event.
Longitude -178.6° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -15.5° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 50 km Depth of the event in kilometers.
Place 140km SSW of Sigave, Wallis and Futuna Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-04-17 15:52:57 Time when the event occurred. UTC/GMT
Updated 2015-04-17 16:04:58 Time when the event was most recently updated. UTC/GMT
Timezone offset -720 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 1 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 711 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network at The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,at, A comma-separated list of network contributors.
Number of Stations Used 36 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 3.77292419 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 2.2 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 97.2 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type Mi The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID at00nmyk49 Id of event.
Event Code 00nmyk49 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00nmyk49, A comma-separated list of event ids that are associated to an event.

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