Very strong mag. 6.4 earthquake - South Pacific Ocean, 82 km south of Nuku\'alofa, Tongatapu, on Friday, 14 February 1930 at 20:41 (GMT)
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Very strong magnitude 6.4 earthquake at 35 km depth
Date & time: 14 Feb 1930 20:41:15 UTC
Depth: 35.0 km
Epicenter latitude / longitude: 21.871°S / 175.099°W (South Pacific Ocean, Tonga)
Nearest volcano: Unnamed 21.38°S/175.65°W (79 km / 49 mi)
Nearby towns and cities:
62 km (38 mi) SSW of ‘Ohonua (Ohonua) (pop: 1,240) --> See nearby quakes!
82 km (51 mi) S of Nuku'alofa (pop: 22,400) --> See nearby quakes!
82 km (51 mi) S of Nuku‘alofa (pop: 22,400) --> See nearby quakes!
82 km (51 mi) S of Kolonga (pop: 1,100) --> See nearby quakes!
241 km (150 mi) SSW of Pangai (pop: 1,740) --> See nearby quakes!
377 km (234 mi) SSW of Neiafu (pop: 4,320) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.5 x 1014 joules (69.8 gigawatt hours, equivalent to 60036 tons of TNT or 3.8 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 6.4||35 km||Tonga||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.