Very strong mag. 6.1 earthquake - South Pacific Ocean, 93 km southeast of Nuku\'alofa, Tongatapu, on Saturday, 24 April 2004 at 07:44 (GMT)
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Very strong magnitude 6.1 earthquake at 8 km depth
Date & time: 24 Apr 2004 07:44:11 UTC
Depth: 8.0 km
Epicenter latitude / longitude: 21.899°S / 174.822°W (South Pacific Ocean, Tonga)
Nearest volcano: Unnamed 21.38°S/175.65°W (103 km / 64 mi)
Nearby towns and cities:
64 km (40 mi) SSE of ‘Ohonua (Ohonua) (pop: 1,240) --> See nearby quakes!
89 km (55 mi) SSE of Kolonga (pop: 1,100) --> See nearby quakes!
93 km (58 mi) SSE of Nuku'alofa (pop: 22,400) --> See nearby quakes!
93 km (58 mi) SSE of Nuku‘alofa (pop: 22,400) --> See nearby quakes!
237 km (147 mi) S of Pangai (pop: 1,740) --> See nearby quakes!
372 km (231 mi) SSW of Neiafu (pop: 4,320) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 8.9 x 1013 joules (24.8 gigawatt hours, equivalent to 21301 tons of TNT or 1.3 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 6.1||8 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):
- 14 Jun 2004 20:06 UTC| M 5.8 |10 km (6.2 mi) depth|24 km (15 mi) distance| USGS | Details