Moderate mag. 4.7 earthquake - South Pacific Ocean, 180 km northeast of Nuku\'alofa, Tongatapu, on Friday, 2 December 1983 at 14:50 (GMT)
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Moderate magnitude 4.7 earthquake at 33 km depth
Date & time: 2 Dec 1983 14:50:01 UTC
Depth: 33.0 km
Epicenter latitude / longitude: 20.387°S / 173.669°W (South Pacific Ocean, Tonga)
Nearest volcano: Feinga Seamount (158 km / 98 mi)
Nearby towns and cities:
96 km (60 mi) SE of Pangai (pop: 1,740) --> See nearby quakes!
167 km (104 mi) ENE of Kolonga (pop: 1,100) --> See nearby quakes!
170 km (105 mi) NE of ‘Ohonua (Ohonua) (pop: 1,240) --> See nearby quakes!
180 km (112 mi) ENE of Nuku'alofa (pop: 22,400) --> See nearby quakes!
180 km (112 mi) ENE of Nuku‘alofa (pop: 22,400) --> See nearby quakes!
196 km (122 mi) S of Neiafu (pop: 4,320) --> See nearby quakes!
420 km (261 mi) WSW of Alofi (Niue) (pop: 624) --> See nearby quakes!
424 km (263 mi) WSW of Hakupu (Niue) (pop: 221) --> See nearby quakes!
432 km (269 mi) WSW of Mutalau (Niue) (pop: 133) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 7.1 x 1011 joules (197 megawatt hours, equivalent to 169 tons of TNT) More info
Data for the same earthquake reported by different agencies
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|M 4.7||33 km||Tonga||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.