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Tarumae fumaroles

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description Tarumae fumaroles Overview

The Tarumae fumaroles are geothermal vents on Mount Tarumae, an active andesitic volcano in Hokkaido, Japan. They occur around the summit area and its prominent lava dome, which was formed during the 1909 eruption, and release steam and volcanic gases from the heated subsurface. The fumarolic activity is one of the visible signs that Tarumae remains active and is monitored for changes in volcanic behavior.

help Tarumae fumaroles FAQ

Where is Mount Tarumae located?

Mount Tarumae is an active andesitic volcano located in Shikotsu-Toya National Park in Hokkaido, Japan's northernmost main island. The fumaroles can be found in the summit area around the volcano's prominent lava dome.

When did the lava dome on Mount Tarumae form?

The prominent lava dome on Mount Tarumae was formed during the 1909 eruption, one of the volcano's most significant modern eruptive events. The dome and its surrounding fumarole fields remain active, continuously releasing steam and volcanic gases.

Can you hike to the Tarumae fumaroles?

Mount Tarumae is a popular hiking destination with trails leading to the summit area where the fumaroles are visible. Hikers should check the Japan Meteorological Agency's volcanic alert levels before visiting, as access can be restricted during periods of increased activity.

What gases do the Tarumae fumaroles emit?

The fumaroles at Mount Tarumae release steam and volcanic gases, primarily water vapor along with sulfur dioxide and carbon dioxide. These emissions result from magma-heated groundwater reaching the surface through fractures in the volcanic rock.

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