Strong mag. 6.4 earthquake - South Pacific Ocean, 144 km northeast of Nuku\'alofa, Tongatapu, on Thursday, 17 September 1953 at 21:11 (GMT)
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Strong magnitude 6.4 earthquake at 35 km depth
Depth: 35.0 km
Epicenter latitude / longitude: 20.574°S / 173.953°W (South Pacific Ocean, Tonga)
Nearest volcano: Feinga Seamount (135 km / 84 mi)
Nearby towns and cities:
94 km (59 mi) SSE of Pangai (pop: 1,740) --> See nearby quakes!
131 km (82 mi) ENE of Kolonga (pop: 1,100) --> See nearby quakes!
134 km (83 mi) NE of ‘Ohonua (Ohonua) (pop: 1,240) --> See nearby quakes!
144 km (90 mi) ENE of Nuku'alofa (pop: 22,400) --> See nearby quakes!
144 km (90 mi) ENE of Nuku‘alofa (pop: 22,400) --> See nearby quakes!
214 km (133 mi) S of Neiafu (pop: 4,320) --> See nearby quakes!
455 km (283 mi) WSW of Alofi (Niue) (pop: 624) --> See nearby quakes!
459 km (285 mi) WSW of Hakupu (Niue) (pop: 221) --> See nearby quakes!
467 km (290 mi) WSW of Mutalau (Niue) (pop: 133) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.5 x 1014 joules (69.8 gigawatt hours, equivalent to 60036 tons of TNT or 3.8 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 6.4||35 km||Tonga||USGS|
User reports for this quake
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Aftershocks of the 6.4 quake South Pacific Ocean, 144 km northeast of Nuku'alofa, Tongatapu, 17 September 1953 21:11 GMT
More infoRecorded aftershocks, latest first (1 quakes):
- 07 Dec 1953 18:44 UTC| M 6.0 |15 km (9.3 mi) depth|51 km (32 mi) distance| USGS | Strong mag. 6.0 earthquake - South Pacific Ocean, 52 km southeast of Pangai, Ha‘apai, Tonga, on Monday, 7 December 1953 at 18:44 (GMT)