Strong mag. 6.0 earthquake - South Pacific Ocean, 157 km northeast of Nuku\'alofa, Tongatapu, on Wednesday, 18 November 1964 at 22:21 (GMT)

Strong mag. 6.0 earthquake - South Pacific Ocean, 157 km northeast of Nuku\'alofa, Tongatapu, on Wednesday, 18 November 1964 at 22:21 (GMT)

Strong magnitude 6.0 earthquake at 10 km depth

Date & time: 18 Nov 1964 22:21:00 UTC
Magnitude: 6
Depth: 10.0 km
Epicenter latitude / longitude: 20.449°S / 173.883°W (South Pacific Ocean, Tonga)
Nearest volcano: Feinga Seamount (137 km / 85 mi)
Nearby towns and cities:
157 km (98 mi) ENE of Nuku'alofa (pop: 22,400) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 6.3 x 1013 joules (17.5 gigawatt hours, equivalent to 15080 tons of TNT or 0.9 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 6.010 kmTongaUSGS
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 6.0 quake South Pacific Ocean, 157 km northeast of Nuku'alofa, Tongatapu, 18 November 1964 22:21 GMT

More info
Recorded aftershocks, latest first (3 quakes):
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Earlier earthquakes in the same area

Strong mag. 6.0 earthquake - South Pacific Ocean, 157 km northeast of Nuku'alofa, Tongatapu, on Wednesday, 18 November 1964 at 22:21 (GMT)
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