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Japan · Stratovolcano

Mount Haruna

Harunasan

Type
Stratovolcano
Elevation
1449m
Last eruption
550
Mount Haruna
Photo: photo: Qurren (talk) Taken with Canon PowerShot G9 X · CC BY-SA 4.0 · Wikimedia Commons
Type
Stratovolcano
Country
Japan
Region
Northwestern Pacific / Northeast Japan Volcanic Arc
Elevation
1449m
Coordinates
36.477, 138.851
Last eruption
550
Tectonic setting
Subduction zone / Continental crust (> 25 km)
Landform
Composite
Major rock type
Andesite / Basaltic andesite

Geological summary

Harunasan is truncated by a small summit caldera containing the symmetrical post-caldera pyroclastic cone of Haruna-Fuji.

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

From Wikipedia

Mount Haruna is a dormant stratovolcano in Gunma Prefecture, in the Kantō region of eastern Honshū, Japan.

Wikipedia · CC BY-SA · Read full article →

Eruption history

3 recordedGlossary

Record summary

Confirmed eruptions
3
Uncertain eruptions
0
Span of confirmed record
450 (±50 yrs) – 550
Largest confirmed eruption
VEI 5 (550)
Confirmed eruptions since 1900
0
Summary (VEI over time)
Click a bar to see individual eruptions · Use arrow keys to move between bars, Enter to open
450~460 · 1 eruptions · max VEI 3520~530 · 1 eruptions · max VEI 4540~550 · 1 eruptions · max VEI 5450470500520540

Detailed timeline

  1. 550 (±10 yrs)VEI 5Geological estimate
    550-06-01 – end unknown
    Futatsu-dake
  2. 520 (±10 yrs)VEI 4Geological estimate
    520-06-01 – end unknown
    Futatsu-dake
  3. 450 (±50 yrs)VEI 3Geological estimate
    450 – end unknown
    Futatsu-dake

Nearby volcanoes

External links

⚠ For reference only. Not for emergency response.