Strong mag. 6.0 earthquake - South Pacific Ocean, 108 km south of Nuku\'alofa, Tongatapu, on Monday, 4 January 1993 at 20:41 (GMT)
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Strong magnitude 6.0 earthquake at 33 km depth
Date & time: 4 Jan 1993 20:41:11 UTC
Depth: 33.0 km
Epicenter latitude / longitude: 22.055°S / 174.866°W (South Pacific Ocean, Tonga)
Nearest volcano: Unnamed 21.38°S/175.65°W (110 km / 68 mi)
Nearby towns and cities:
81 km (50 mi) S of ‘Ohonua (Ohonua) (pop: 1,240) --> See nearby quakes!
105 km (65 mi) SSE of Kolonga (pop: 1,100) --> See nearby quakes!
108 km (67 mi) SSE of Nuku'alofa (pop: 22,400) --> See nearby quakes!
108 km (67 mi) SSE of Nuku‘alofa (pop: 22,400) --> See nearby quakes!
255 km (158 mi) S of Pangai (pop: 1,740) --> See nearby quakes!
390 km (242 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||33 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):
- 18 Apr 1993 10:31 UTC| M 5.0 |42.8 km (26.6 mi) depth|41 km (25 mi) distance| USGS | Details
- 20 Feb 1993 07:11 UTC| M 5.5 |43.7 km (27.2 mi) depth|7 km (4 mi) distance| USGS | Details