Strong mag. 6.1 earthquake - South Pacific Ocean, 230 km southwest of Nuku\'alofa, Tongatapu, on Monday, 22 May 1961 at 17:32 (GMT)
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Strong magnitude 6.1 earthquake at 70 km depth
Date & time: 22 May 1961 17:32:29 UTC
Depth: 70.0 km
Epicenter latitude / longitude: 22.953°S / 176.28°W (South Pacific Ocean, Tonga)
Nearest volcano: Ata Volcanic Complex (69 km / 43 mi)
Nearby towns and cities:
226 km (141 mi) SW of ‘Ohonua (Ohonua) (pop: 1,240) --> See nearby quakes!
230 km (143 mi) SSW of Nuku'alofa (pop: 22,400) --> See nearby quakes!
230 km (143 mi) SSW of Nuku‘alofa (pop: 22,400) --> See nearby quakes!
238 km (148 mi) SSW of Kolonga (pop: 1,100) --> See nearby quakes!
402 km (250 mi) SSW of Pangai (pop: 1,740) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 8.9 x 1013 joules (24.8 gigawatt hours, equivalent to 21301 tons of TNT or 1.3 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 6.1||70 km||south of the Fiji Islands (Tonga)||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.