| 11. | Although the last eruption from Mount Kukak is unknown, it displays vigorous fumarolic activity.
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| 12. | Minor fumarolic activity was observed in 1977.
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| 13. | Fumarolic activity continued, but decreased in amount as no new lava flows were observed.
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| 14. | Fumarolic activity has been observed in the northern side of the crater of Ashi volcano.
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| 15. | Fumarolic activity and the presence of many hot springs are observed at the bottom of the caldera.
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| 16. | The Pauzhetsky Fumarolic activity along with the emission of, and occur in the area of Kambalny.
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| 17. | At Aucanquilcha volcano there is some fumarolic activity, and sulfur deposits are found at the summit.
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| 18. | The stratovolcano has no historical eruption but displays strong fumarolic activity which is harnessed for generating electricity.
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| 19. | Reports exist of continuing fumarolic activity and hot springs with the deposition of clay and other minerals.
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| 20. | Irruputuncu displays vigorous fumarolic activity that occupies about half the summit crater and is visible within several.
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