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Major mag. 7.4 earthquake - 255km SW of Vaini, Tonga

Major mag. 7.4 earthquake - 282km SW of Vaini, Tonga on Thursday, 23 May 2013

Major mag. 7.4 earthquake  - 282km SW of Vaini, Tonga on Thursday, 23 May 2013
Date & time: Thursday, 23 May 2013 17:19 UTC
Local time at epicenter: Fri, 24 May 2013 06:19
Magnitude: 7.4
Depth: 171.4 km
Epicenter latitude / longitude: 23.025°S / 177.1089°W (Tonga)
Nearest volcano: Unnamed 24.8°S/177.02°W (194 km)
Primary data source: USGS
Estimated released energy: 7.9*10^15 J (2206 GWh / 1.9*10^6 tons of TNT / 118.7 atomic bombs equivalent) [learn more]
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Data for same earthquake as reported from other agencies
TimeMag. / DepthLocationSource
Thu, 23 May 2013
Thu, 23 May 17:19 UTCM 7.4 / 153 km SOUTH OF FIJI ISLANDSEMSC
Thu, 23 May 17:19 UTCM 7.4 / 165 kmSouth of Fiji IslandsGFZ
Thu, 23 May 17:19 UTCM 7.5 / 174 kmS of Fiji IslandsGeoAu

shake map
(shakemap: USGS)
"I felt it" reports:
Fatai, Tonga / MMI V (Moderate shaking): beds were certainly shaking this morning and duration was quite long approx 30secs

 

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