Skip to main content

Tonga · Stratovolcano

Unnamed submarine volcano

Tofua Arc at 21.1°S

Type
Stratovolcano
Elevation
65m (submarine)
Last eruption
Unknown
Type
Stratovolcano
Country
Tonga
Region
Tonga & Kermadec / Tofua Volcanic Arc
Elevation
65m (submarine)
Coordinates
-21.150, -175.750
Last eruption
Unknown
Tectonic setting
Subduction zone / Oceanic crust (< 15 km)
Landform
Composite
Major rock type
Andesite / Basaltic andesite

Geological summary

A large submarine volcano rises to within 65 m of the ocean surface west of Tongatapu Island. The volcano was informally named Volcano 1 by scientists on the bathymetric survey that mapped it in 2003.

Excerpt from the Global Volcanism Program, Smithsonian Institution · Read the full summary on GVP →

Eruption history

Glossary

Detailed timeline

No eruption records available.

Nearby volcanoes

External links

⚠ For reference only. Not for emergency response.