Tonga · Stratovolcano
Fonualei
- Type
- Stratovolcano
- Elevation
- 188m
- Last eruption
- 1957
- Type
- Stratovolcano
- Country
- Tonga
- Region
- Tonga & Kermadec / Tofua Volcanic Arc
- Elevation
- 188m
- Coordinates
- -18.023, -174.317
- Last eruption
- 1957
- Tectonic setting
- Subduction zone / Oceanic crust (< 15 km)
- Landform
- Composite
- Major rock type
- Dacite
Geological summary
The small island of Fonualei (~2 km diameter) contains a fumarolically active crater breached to the SE with a fresh lava flow extending to the sea and forming a rugged shoreline.
Excerpt from the Global Volcanism Program, Smithsonian Institution · Read the full summary on GVP →
From Wikipedia
Fonualei is an uninhabited volcanic island in the kingdom of Tonga. It 70 km northwest of Vavaʻu and is part of the highly active Kermadec-Tonga subduction zone and its associated volcanic arc, which extends from New Zealand north-northeast to Fiji, and is formed by the subduction of the Pacific Plate under the Indo-Australian Plate. The closest island to Fonualei is Tokū 19.7 km to the southeast.
Wikipedia · CC BY-SA · Read full article →
Eruption history
8 recordedGlossaryRecord summary
- Confirmed eruptions
- 6
- Uncertain eruptions
- 2
- Span of confirmed record
- 1791 – 1957
- Largest confirmed eruption
- VEI 4 (1846)
- Confirmed eruptions since 1900
- 4
Detailed timeline
- 1974VEI 1Method not stated1974-02-16 – end unknown
- 1957VEI ?Observed1957-06-16 – end unknown
- 1951VEI 2Observed1951-08-21 – end unknownNorth-central part of the island
- 1939VEI 2Observed1939-06-16 – end unknownSummit, W and SE sides
- 1906VEI ?Observed1906-03-16 – end unknown
- 1846VEI 4Observed1846-06-11 – 1846-10-10
- 1791VEI 2Observed1791 – end unknown
- 1780VEI ?Method not stated1780 – end unknown
Nearby volcanoes
External links
⚠ For reference only. Not for emergency response.