Complex volcanoes

Unzendake

Unzendake (Japan) is a complex volcano. It rises to 1,483 m above sea level. The GVP records 11 confirmed eruptions in the Holocene, the latest in 1996.

Elevation
1,483 m
Last eruption
1996
Confirmed eruptions
11
Max VEI
2
Country
Japan
Location
32.76° N, 130.30° E
Region (GVP)
Nankai Volcanic Arc
GVP type
Complex
Tectonic setting
Subduction zone / Continental crust (> 25 km)
Main rock type
Andesite / Basaltic Andesite

Show on the timeline GVP entry ↗

Other volcanoes and strong earthquakes within 300 km

Eruption history

VEI – Volcanic Explosivity Index: 0 = lava outpouring, 4 = like Eyjafjallajökull 2010, 6 = like Pinatubo 1991, 7 = like Tambora 1815. The scale is logarithmic – each step is about 10 times more material.

StartEndVEIVent and dating
10 February 1996 1 May 1996 2 Fugen-dake · Observations: Reported
17 November 1990 16 February 1995 1 Fugen-dake · Observations: Reported
10 February 1792 22 July 1792 2 Fugen-dake (summit, NNE), Mayu-yama · Observations: Reported
11 December 1663 27 December 1663 2 NE flank of Fugen-dake (1200 m) · Observations: Reported
April 1663 May 1663 2 Fugen-dake (Tsukumo-jima Pond) · Observations: Reported
1,150 BCE ± 500 years — ? Fugendake-Sancho · Radiogenic: Thermoluminescence
1,450 BCE ± 500 years — ? Fugen-dake (Kazaana) · Radiogenic: Thermoluminescence
2,150 BCE ± 800 years — ? Mayu-yama (Tengu-yama) · Radiogenic: Thermoluminescence
2,640 BCE ± 500 years — ? Mayu-yama (Shichimen-zan) · Isotopic: 14C (calibrated)
2,720 BCE ± 300 years — ? Fugen-dake · Isotopic: 14C (calibrated)
4,050 BCE ± 3,000 years — ? Fugen-dake (Shimanomine) · Radiogenic: Fission track

Data: Global Volcanism Program, Smithsonian Institution (#282100)