Strong mag. 6.0 earthquake - South Pacific Ocean, 106 km southwest of Nuku\'alofa, Tongatapu, on Monday, 31 January 2011 at 06:03 (GMT)
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Strong magnitude 6.0 earthquake at 76 km depth
Date & time: 31 Jan 2011 06:03:27 UTC
Depth: 76.0 km
Epicenter latitude / longitude: 22.009°S / 175.622°W (South Pacific Ocean, Tonga)
Nearest volcano: Unnamed 21.38°S/175.65°W (70 km / 43 mi)
Nearby towns and cities:
102 km (64 mi) SW of ‘Ohonua (Ohonua) (pop: 1,240) --> See nearby quakes!
106 km (66 mi) SSW of Nuku'alofa (pop: 22,400) --> See nearby quakes!
106 km (66 mi) SSW of Nuku‘alofa (pop: 22,400) --> See nearby quakes!
113 km (70 mi) SSW of Kolonga (pop: 1,100) --> See nearby quakes!
277 km (172 mi) SSW of Pangai (pop: 1,740) --> See nearby quakes!
411 km (255 mi) SSW of Neiafu (pop: 4,320) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 6.3 x 1013 joules (17.5 gigawatt hours, equivalent to 15080 tons of TNT or 0.9 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 6.0||76 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 (2 quakes):
- 23 Feb 2011 04:03 UTC| M 5.0 |34.5 km (21.4 mi) depth|40 km (25 mi) distance| USGS | Details
- 14 Feb 2011 23:44 UTC| M 4.8 |92.1 km (57.2 mi) depth|54 km (34 mi) distance| USGS | Details