Strong mag. 6.0 earthquake - South Pacific Ocean, 99 km southwest of Nuku\'alofa, Tongatapu, on Sunday, 19 July 1998 at 15:58 (GMT)
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Strong magnitude 6.0 earthquake at 72 km depth
Date & time: 19 Jul 1998 15:58:38 UTC
Depth: 72.1 km
Epicenter latitude / longitude: 21.836°S / 175.792°W (South Pacific Ocean, Tonga)
Nearest volcano: Unnamed 21.38°S/175.65°W (53 km / 33 mi)
Nearby towns and cities:
97 km (60 mi) SW of Haveluloto (pop: 3,420) --> See nearby quakes!
99 km (61 mi) SW of Nuku'alofa (pop: 22,400) --> See nearby quakes!
99 km (61 mi) SW of Nuku‘alofa (pop: 22,400) --> See nearby quakes!
103 km (64 mi) WSW of ‘Ohonua (Ohonua) (pop: 1,240) --> See nearby quakes!
108 km (67 mi) SW of Kolonga (pop: 1,100) --> See nearby quakes!
270 km (168 mi) SSW of Pangai (pop: 1,740) --> See nearby quakes!
401 km (249 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||72 km||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):
- 13 Dec 1998 04:18 UTC| M 4.4 |200 km (124.3 mi) depth|36 km (22 mi) distance| USGS | Details