Asamayama, Japan

Type

Complex volcano

Elevation

2,568 m (8,425 ft)

Country

Japan

Region

Honshu-Japan

Summit

36.406° N, 138.523° E

Last known eruption

1964 or later

Holocene activity known from

Historical

Smithsonian volcano number

283110

• August 18, 1961VEI 2 · 1 death
• September 23, 1950VEI 2 · 1 death
• August 14, 1947VEI 2 · 11 deaths
• July 13, 1941VEI 2 · 1 death
• July 16, 1938VEI 1 · Deaths: few
• July 29, 1936VEI 3 · 2 deaths
• August 20, 1931VEI 3 · 3 deaths
• August 20, 1930VEI 3 · 6 deaths
• May 29, 1913VEI 1 · 1 death
• August 15, 1911VEI 2 · 2 deaths
• May 8, 1911VEI 2 · 1 death · 60 houses destroyed
• January 22, 1900VEI 2 · 25 deaths
• November 7, 1803VEI 2 · Deaths: few
• July 4, 1803VEI 2 · Deaths: few
• August 5, 1783VEI 4 · 1,491 deaths
• June 22, 1721VEI 1 · 15 deaths
• May 13, 1598VEI 2 · 800 deaths
• May 1, 1596VEI 2 · Deaths: many

Earthquakes near AsamayamaVolcanic ash advisories on the live map

• Kusatsu-Shiranesan24 km · 4 significant eruptions
• Harunasan30 km
• Shiga31 km
• Yokodake40 km
• Akagisan62 km · 1 significant eruption
• Myokosan65 km
• Niigata-Yakeyama72 km · 1 significant eruption
• Washiba-Kumonotaira83 km
• Midagahara85 km · 5 significant eruptions
• Yakedake86 km · 1 significant eruption
• Nikko-Shiranesan88 km
• Akandanayama88 km

Volcanoes and significant eruptions from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24. Volcano numbers are the Smithsonian Institution’s Global Volcanism Program’s.