Strong mag. 6.6 earthquake - South Pacific Ocean, 1431 km northeast of Wellington, New Zealand, on Sunday, 31 March 1963 at 05:30 (GMT)

Strong mag. 6.6 earthquake - South Pacific Ocean, 1431 km northeast of Wellington, New Zealand, on Sunday, 31 March 1963 at 05:30 (GMT)

Strong magnitude 6.6 earthquake at 35 km depth

Date & time: 31 Mar 1963 05:30:49 UTC
Magnitude: 6.6
Depth: 35.0 km
Epicenter latitude / longitude: 29.985°S / 177.618°W (South Pacific Ocean, New Zealand)
Nearest volcano: Raoul Island (85 km / 53 mi)
Nearby towns and cities:
1431 km (889 mi) NNE of Wellington (pop: 381,900) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5 x 1014 joules (139 gigawatt hours, equivalent to 1.2 x 105 tons of TNT or 7.5 atomic bombs!) More info
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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
MagnitudeDepthLocationSource
M 6.635 kmKermadec Islands, New ZealandUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake yet. If you felt it be the first to report it!
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Aftershocks of the 6.6 quake South Pacific Ocean, 1431 km northeast of Wellington, New Zealand, 31 March 1963 05:30 GMT

More info
Recorded aftershocks, latest first (11 quakes):
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Earlier earthquakes in the same area since 1900

Strong mag. 6.6 earthquake - South Pacific Ocean, 1431 km northeast of Wellington, New Zealand, on Sunday, 31 March 1963 at 05:30 (GMT)

Map of earlier quakes

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