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Japan · Stratovolcano

Kuju Mountains

Kujusan

Type
Stratovolcano
Elevation
1791m
Last eruption
1996
Kuju Mountains
Photo: Ans · CC BY-SA 3.0 · Wikimedia Commons
Type
Stratovolcano
Country
Japan
Region
Western Pacific / Nankai Volcanic Arc
Elevation
1791m
Coordinates
33.086, 131.249
Last eruption
1996
Tectonic setting
Subduction zone / Continental crust (> 25 km)
Landform
Composite
Major rock type
Andesite / Basaltic andesite

Geological summary

Kujusan is a complex of stratovolcanoes and lava domes lying NE of Aso caldera in north-central Kyushu.

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

From Wikipedia

Mount Kujū , located on the border of Kokonoe and Taketa in Ōita Prefecture, Japan, is a stratovolcano in Kyushu Island, Japan, with a summit elevation of 1,791 metres (5,876 ft). It is one of the 100 Famous Japanese Mountains. It is part of the Aso-Kujū National Park.

Wikipedia · CC BY-SA · Read full article →

Eruption history

14 recordedGlossary

Record summary

Confirmed eruptions
13
Uncertain eruptions
1
Span of confirmed record
9160 BCE (±1190 yrs) – 1996
Largest confirmed eruption
VEI 4 (100 BCE, the most recent of 5)
Confirmed eruptions since 1900
1
Summary (VEI over time)
Click a bar to see individual eruptions · Use arrow keys to move between bars, Enter to open
9160 BCE~8788 BCE · 1 eruptions · max VEI 47301 BCE~6929 BCE · 1 eruptions · max VEI ?4698 BCE~4326 BCE · 1 eruptions · max VEI ?3954 BCE~3582 BCE · 1 eruptions · max VEI 43211 BCE~2839 BCE · 1 eruptions · max VEI ?2467 BCE~2095 BCE · 1 eruptions · max VEI 41723 BCE~1351 BCE · 1 eruptions · max VEI ?1351 BCE~980 BCE · 1 eruptions · max VEI 4236 BCE~136 · 1 eruptions · max VEI 4136~508 · 1 eruptions · max VEI 31623~1995 · 4 eruptions · max VEI 29160 BCE6557 BCE3582 BCE980 BCE1623

Detailed timeline

  1. 1995VEI 1Observed
    1995-10-11 – 1996-03-24
    Hosho lava dome (east flank)
  2. 1738VEI 2Method not stated
    1738-08-13 – end unknown
  3. 1675VEI 2Observed
    1675-06 – end unknown
  4. 1662VEI 2Observed
    1662-01-26 – end unknown
  5. 370 (±40 yrs)VEI 3Geological estimate
    370 – end unknown
    Kuro-dake
  6. 100 BCE (±300 yrs)VEI 4Geological estimate
    100 BCE – end unknown
    Komekubo crater
  7. 990 BCE (±940 yrs)VEI 4Geological estimate
    990 BCE – end unknown
    Komekubo crater
  8. 1720 BCE (±300 yrs)VEI ?Geological estimate
    1720 BCE – end unknown
    Taisen-Minami
  9. 2440 BCE (±300 yrs)VEI 4Geological estimate
    2440 BCE – end unknown
    Danbaru
  10. 3110 BCE (±500 yrs)VEI ?Geological estimate
    3110 BCE – end unknown
    Iwaigo-dake, Ogigahana, Hizengajo
  11. 3780 BCE (±500 yrs)VEI 4Geological estimate
    3780 BCE – end unknown
    Taisen-Hokubu lava dome
  12. 4490 BCE (±500 yrs)VEI ?Geological estimate
    4490 BCE – end unknown
    Tachi-san, Gakurokuji
  13. 7180 BCE (±2640 yrs)VEI ?Geological estimate
    7180 BCE – end unknown
    Sensui-zan
  14. 9160 BCE (±1190 yrs)VEI 4Geological estimate
    9160 BCE – end unknown

Nearby volcanoes

External links

⚠ For reference only. Not for emergency response.