A dam of volcanic ash may collapse.Logical formLearned from3 sentences. A mixture can be volcanic.Logical formLearned from3 sentences. Volcanic activity may undergo an easing.Logical formLearned from3 sentences. Volcanic ash may fall on a town.Logical formLearned from3 sentences. A town may be buried under thousands of tons of volcanic ash.Logical formLearned from3 sentences. A cocoon can be constituted-of-or-filled-with volcanic ash.Logical formLearned from3 sentences. A (tremor signal) can be volcanic.Logical formLearned from3 sentences. Parts can be volcanic.Logical formLearned from3 sentences. Volcanic ash may settle on the ground.Logical formLearned from3 sentences. An arc can be constituted-of-or-filled-with volcanic activity.Logical formLearned from3 sentences. An animal may be buried under volcanic ash.Logical formLearned from3 sentences. Volcanic ash may be mineralised.Logical formLearned from3 sentences. A nature may pertain-to a volcanic activity.Logical formLearned from3 sentences. Volcanic rocks can be hot.Logical formLearned from3 sentences. A danger may be posed by volcanic rocks.Logical formLearned from3 sentences.