Strong mag. 6.0 earthquake - South Pacific Ocean, 77 km southeast of Pangai, Ha‘apai, Tonga, on Monday, 8 October 1956 at 14:55 (GMT)
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Strong magnitude 6.0 earthquake at 15 km depth
Depth: 15.0 km
Epicenter latitude / longitude: 20.267°S / 173.792°W (South Pacific Ocean, Tonga)
Nearest volcano: Feinga Seamount (144 km / 89 mi)
Nearby towns and cities:
77 km (48 mi) SE of Pangai (pop: 1,740) --> See nearby quakes!
164 km (102 mi) NE of Kolonga (pop: 1,100) --> See nearby quakes!
169 km (105 mi) NE of ‘Ohonua (Ohonua) (pop: 1,240) --> See nearby quakes!
176 km (109 mi) NE of Nuku'alofa (pop: 22,400) --> See nearby quakes!
176 km (109 mi) NE of Nuku‘alofa (pop: 22,400) --> See nearby quakes!
181 km (112 mi) S of Neiafu (pop: 4,320) --> See nearby quakes!
428 km (266 mi) WSW of Alofi (Niue) (pop: 624) --> See nearby quakes!
432 km (269 mi) WSW of Hakupu (Niue) (pop: 221) --> See nearby quakes!
440 km (273 mi) WSW of Mutalau (Niue) (pop: 133) --> 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||15 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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Aftershocks of the 6.0 quake South Pacific Ocean, 77 km southeast of Pangai, Ha‘apai, Tonga, 8 October 1956 14:55 GMT
More infoRecorded aftershocks, latest first (1 quakes):
- 30 Jan 1957 15:29 UTC| M 5.9 |25 km (15.5 mi) depth|33 km (21 mi) distance| USGS | Details