Very strong mag. 6.2 earthquake - South Pacific Ocean, 139 km south of Nuku\'alofa, Tongatapu, on Saturday, 16 November 1963 at 22:43 (GMT)
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Very strong magnitude 6.2 earthquake at 15 km depth
Date & time: 16 Nov 1963 22:43:26 UTC
Depth: 15.0 km
Epicenter latitude / longitude: 22.388°S / 175.186°W (South Pacific Ocean, Tonga)
Nearest volcano: Ata Volcanic Complex (105 km / 65 mi)
Nearby towns and cities:
120 km (74 mi) S of ‘Ohonua (Ohonua) (pop: 1,240) --> See nearby quakes!
139 km (86 mi) S of Nuku'alofa (pop: 22,400) --> See nearby quakes!
139 km (86 mi) S of Nuku‘alofa (pop: 22,400) --> See nearby quakes!
140 km (87 mi) S of Kolonga (pop: 1,100) --> See nearby quakes!
299 km (186 mi) SSW of Pangai (pop: 1,740) --> See nearby quakes!
434 km (270 mi) SSW of Neiafu (pop: 4,320) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.3 x 1014 joules (35 gigawatt hours, equivalent to 30089 tons of TNT or 1.9 atomic bombs!) More info
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.
|M 6.2||15 km||Tonga region||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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More infoRecorded aftershocks, latest first (1 quakes):
- 20 Nov 1963 11:59 UTC| M 5.8 |30 km (18.6 mi) depth|11 km (7 mi) distance| USGS | Details