Unnamed 21.38°S/175.65°W volcano
Submarine volcano -500? m / - 1,640 ft
Tonga, Tonga Islands, -21.38°S / -175.65°W
Current status: normal or dormant (1 out of 5) | Reports
Tonga, Tonga Islands, -21.38°S / -175.65°W
Current status: normal or dormant (1 out of 5) | Reports
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Typical eruption style: unspecified
Unnamed 21.38°S/175.65°W volcano eruptions: 1932
Unnamed 21.38°S/175.65°W volcano eruptions: 1932
| Time | Mag. / Depth | Distance | Location |
| Thu, 20 Dec | |||
| Thu, 20 Dec 04:00 UTC | M 4.8 / 129 km | 6 km | TONGA |
Background:
During an eruption in 1907 from an unnamed submarine volcano pyroclastic material was ejected to 100 m above the sea surface, and pumice rafts were produced. The eruption was approximately located on Admiralty Chart 2421 at a point 48 km SW of Tongatapu Island, along the Tofua volcanic arc. Tongatapu is located at the southern end of a chain of coral islands paralleling the Tofua volcanic arc on its eastern side. The reported location of the 1907 eruption corresponds to sloping terrain at 1800 m depth on a 1982 bathymetric map, but a seamount of about 500 m depth is located about 10 km to the NE. A second eruption from this area was reported in late 1932.---
Smithsonian / GVP volcano information
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