Conditions for volcanic eruption
Beneath the volcano, there is magma containing dissolved volcanic gas, and when the magma reaches a shallow depth, the surrounding pressure decreases, causing the magma inside the magma to Volcanic gas bubbles. Magma containing bubbles becomes even lighter than its surroundings, rises to the ground, and erupts.
when a volcano erupts
Near the volcano
Evacuate away from the volcano. Pyroclastic flows and mudflows flow along valley lines, so please avoid getting close to valley lines and depressions.
Near active volcano
Eruption warnings announced by television, radio, disaster prevention administrative radio (radio station that can be used for general administrative work), public information vehicle, etc.
Listen carefully. Also, if you receive instructions from local governments, etc., act promptly.
Volcanic food, clothing, and shelter
clothingTo protect yourself from the hot wind and falling pyroclastic material, wear long sleeves, long pants, a jumper, a mask and goggles to prevent volcanic ash from getting in your eyes, mouth, and nose. Avoid entering.
food
Drinking water and food (cup noodles,canned goods,etc.)
residence
Protect yourself by hiding behind a sturdy building or rock
