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Japan · Complex volcano

Mount Hakone

Hakoneyama

Type
Complex volcano
Elevation
1438m
Last eruption
2015
Mount Hakone
Photo: Sonata · CC BY-SA 3.0 · Wikimedia Commons
Type
Complex volcano
Country
Japan
Region
Northwestern Pacific / Izu Volcanic Arc
Elevation
1438m
Coordinates
35.233, 139.021
Last eruption
2015
Tectonic setting
Subduction zone / Continental crust (> 25 km)
Landform
Composite
Major rock type
Andesite / Basaltic andesite

Geological summary

Hakoneyama volcano is truncated by two overlapping calderas, the largest of which is 10 x 11 km wide.

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

From Wikipedia

Mount Hakone , with its highest peak Mount Kami, is a complex volcano in Kanagawa Prefecture, Japan that is truncated by two overlapping calderas, the largest of which is 10 × 11 km wide. The calderas were formed as a result of two major explosive eruptions about 180,000 and 49,000–60,000 years ago. Lake Ashi lies between the southwestern caldera wall and a half dozen post-caldera lava domes that arose along a southwest–northeastern trend cutting through the center of the calderas. Dome growth occurred progressively to the south, and the largest and youngest of them, Mount Kami, forms the high point of Hakone. The calderas are breached to the east by the Haya River canyon. Mount Ashigara is a parasitic cone.

Wikipedia · CC BY-SA · Read full article →

Eruption history

8 recordedGlossary

Record summary

Confirmed eruptions
8
Uncertain eruptions
0
Span of confirmed record
6000 BCE (±100 yrs) – 2015
Largest confirmed eruption
VEI 3 (6000 BCE)
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
6000 BCE~5733 BCE · 1 eruptions · max VEI 33863 BCE~3595 BCE · 1 eruptions · max VEI 11458 BCE~1191 BCE · 2 eruptions · max VEI 21191 BCE~924 BCE · 1 eruptions · max VEI ?122 BCE~145 · 1 eruptions · max VEI ?946~1214 · 1 eruptions · max VEI ?1748~2015 · 1 eruptions · max VEI 16000 BCE4130 BCE1992 BCE122 BCE1748

Detailed timeline

  1. 2015VEI 1Observed
    2015-06-29 – 2015-07-01
    Owakudani hot springs, 1 km N of Kamiyama dome
  2. 1170 (±100 yrs)VEI ?Geological estimate
    1170 – end unknown
    Owakudani
  3. 50 BCEVEI ?Geological estimate
    50 BCE – end unknown
    NE of Kamiyama
  4. 1050 BCEVEI ?Geological estimate
    1050 BCE – end unknown
    NE of Kamiyama
  5. 1200 BCEVEI 2Geological estimate
    1200 BCE – end unknown
    NW side of Kami-yama (Kanmuriga-take)
  6. 1400 BCE (±100 yrs)VEI ?Geological estimate
    1400 BCE – end unknown
    NW side of Kami-yama (Kanmuriga-take)
  7. 3700 BCE (±100 yrs)VEI 1Geological estimate
    3700 BCE – end unknown
    Futago-yama
  8. 6000 BCE (±100 yrs)VEI 3Geological estimate
    6000 BCE – end unknown
    Kami-yama

Nearby volcanoes

External links

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