Strong mag. 6.5 earthquake - South Pacific Ocean, 169 km southwest of Nuku\'alofa, Tongatapu, on Wednesday, 4 July 2001 at 07:06 (GMT)
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Strong magnitude 6.5 earthquake at 185 km depth
Date & time: 4 Jul 2001 07:06:31 UTC
Depth: 184.6 km
Epicenter latitude / longitude: 21.725°S / 176.705°W (South Pacific Ocean, Tonga)
Nearest volcano: Ata Volcanic Complex (85 km / 53 mi)
Nearby towns and cities:
167 km (104 mi) WSW of Haveluloto (pop: 3,420) --> See nearby quakes!
169 km (105 mi) WSW of Nuku'alofa (pop: 22,400) --> See nearby quakes!
169 km (105 mi) WSW of Nuku‘alofa (pop: 22,400) --> See nearby quakes!
182 km (113 mi) WSW of Kolonga (pop: 1,100) --> See nearby quakes!
187 km (116 mi) WSW of ‘Ohonua (Ohonua) (pop: 1,240) --> See nearby quakes!
324 km (201 mi) SW of Pangai (pop: 1,740) --> See nearby quakes!
445 km (276 mi) SW of Neiafu (pop: 4,320) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.5 x 1014 joules (98.6 gigawatt hours, equivalent to 84802 tons of TNT or 5.3 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 6.5||185 km||Fiji region (Tonga)||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 (1 quakes):
- 28 Oct 2001 20:24 UTC| M 5.7 |189.7 km (117.9 mi) depth|8 km (5 mi) distance| USGS | Details