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Japan · Complex volcano

Mount Unzen

Unzendake

Type
Complex volcano
Elevation
1483m
Last eruption
1996
Mount Unzen
Public domain · Wikimedia Commons
Type
Complex volcano
Country
Japan
Region
Western Pacific / Nankai Volcanic Arc
Elevation
1483m
Coordinates
32.761, 130.299
Last eruption
1996
Tectonic setting
Subduction zone / Continental crust (> 25 km)
Landform
Composite
Major rock type
Andesite / Basaltic andesite

Geological summary

The massive Unzendake volcanic complex comprises much of the Shimabara Peninsula east of the city of Nagasaki.

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

From Wikipedia

Mount Unzen is an active stratovolcano of several overlapping small, volcanic cones, near the city of Shimabara, Nagasaki on the island of Kyushu, Japan's southernmost main island.

Wikipedia · CC BY-SA · Read full article →

Eruption history

14 recordedGlossary

Record summary

Confirmed eruptions
11
Uncertain eruptions
3
Span of confirmed record
4050 BCE (±3000 yrs) – 1996
Largest confirmed eruption
VEI 2 (1996, the most recent of 4)
Confirmed eruptions since 1900
2
Summary (VEI over time)
Click a bar to see individual eruptions · Use arrow keys to move between bars, Enter to open
4050 BCE~3848 BCE · 1 eruptions · max VEI ?2841 BCE~2639 BCE · 2 eruptions · max VEI ?2236 BCE~2035 BCE · 1 eruptions · max VEI ?1632 BCE~1430 BCE · 1 eruptions · max VEI ?1229 BCE~1027 BCE · 1 eruptions · max VEI ?787~988 · 1 eruptions · max VEI ?1593~1794 · 4 eruptions · max VEI 21794~1996 · 3 eruptions · max VEI 24050 BCE2639 BCE1027 BCE3841794

Detailed timeline

  1. 1996VEI 2Observed
    1996-02-10 – 1996-05-01
    Fugen-dake
  2. 1990VEI 1Observed
    1990-11-17 – 1995-02-16
    Fugen-dake
  3. 1798VEI ?Method not stated
    1798-11-13 – 1798-12
    Fugen-dake
  4. 1792VEI 2Observed
    1792-02-10 – 1792-07-22
    Fugen-dake (summit, NNE), Mayu-yama
  5. 1690VEI ?Method not stated
    1690 – 1692
  6. 1663VEI 2Observed
    1663-04 – 1663-05
    Fugen-dake (Tsukumo-jima Pond)
  7. 1663VEI 2Observed
    1663-12-11 – 1663-12-27
    NE flank of Fugen-dake (1200 m)
  8. 860VEI ?Method not stated
    860 – end unknown
  9. 1150 BCE (±500 yrs)VEI ?Geological estimate
    1150 BCE – end unknown
    Fugendake-Sancho
  10. 1450 BCE (±500 yrs)VEI ?Geological estimate
    1450 BCE – end unknown
    Fugen-dake (Kazaana)
  11. 2150 BCE (±800 yrs)VEI ?Geological estimate
    2150 BCE – end unknown
    Mayu-yama (Tengu-yama)
  12. 2640 BCE (±500 yrs)VEI ?Geological estimate
    2640 BCE – end unknown
    Mayu-yama (Shichimen-zan)
  13. 2720 BCE (±300 yrs)VEI ?Geological estimate
    2720 BCE – end unknown
    Fugen-dake
  14. 4050 BCE (±3000 yrs)VEI ?Geological estimate
    4050 BCE – end unknown
    Fugen-dake (Shimanomine)

Nearby volcanoes

External links

⚠ For reference only. Not for emergency response.