Unnamed

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  • Country
  • Subregion Name
  • Primary Volcano Type
  • Last Known Eruption
  • 21.38°S
  • 175.65°W

  • -500 m
    -1640 ft

  • 243010
  • Latitude
  • Longitude

  • Summit
    Elevation

  • Volcano
    Number

There are no activity reports for Unnamed.



 Available Weekly Reports

There are no Weekly Reports available for Unnamed.

Summary of eruption dates and Volcanic Explosivity Indices (VEI).

Start Date Stop Date Eruption Certainty VEI Evidence Activity Area or Unit
1932 Dec 1 ± 30 days Unknown Confirmed 0 Historical Observations
1907 Jul Unknown Confirmed 0 Historical Observations

The following references are the sources used for data regarding this volcano. References are linked directly to our volcano data file. Discussion of another volcano or eruption (sometimes far from the one that is the subject of the manuscript) may produce a citation that is not at all apparent from the title. Additional discussion of data sources can be found under Volcano Data Criteria.

Richard J J, 1962. Kermadec, Tonga and Samoa. Catalog of Active Volcanoes of the World and Solfatara Fields, Rome: IAVCEI, 13: 1-38.

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.