- South Pacific Ocean, 60 km northwest of Nuku\'alofa, Tongatapu, on Saturday, 27 December 2003 at 00:30 (GMT)
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Moderate magnitude 4.6 earthquake at 33 km depth
Depth: 33.0 km
Epicenter latitude / longitude: 20.756°S / 175.613°W (South Pacific Ocean, Tonga)
Nearest volcano: Unnamed 20.85°S/175.53°W (14 km / 9 mi)
Nearby towns and cities:
60 km (38 mi) NW of Nuku'alofa (pop: 22,400) --> See nearby quakes!
60 km (38 mi) NW of Nuku‘alofa (pop: 22,400) --> See nearby quakes!
71 km (44 mi) NW of Kolonga (pop: 1,100) --> See nearby quakes!
94 km (58 mi) NW of ‘Ohonua (Ohonua) (pop: 1,240) --> See nearby quakes!
168 km (104 mi) SW of Pangai (pop: 1,740) --> See nearby quakes!
290 km (180 mi) SW of Neiafu (pop: 4,320) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5 x 1011 joules (139 megawatt hours, equivalent to 120 tons of TNT) 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 4.6||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.