| 21. | An older lava dome from the Pleistocene forms part of the eastern rim.
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| 22. | Such features may include volcanic crater lakes and lava domes after the event.
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| 23. | It is constructed from porphyritic dacite lava flows and lava domes.
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| 24. | No lava domes were recorded during that period in the crater.
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| 25. | This one has a lava dome and should stick around for a while,
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| 26. | Additional lava domes can be found on the eastern slopes of the volcano.
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| 27. | The volcano is formed by thick lava flows that surround a lava dome.
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| 28. | At night, the lava dome and hot gases still emit a reddish-orange glow.
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| 29. | The new lava dome is forming just behind that existing dome.
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| 30. | Lava domes are one of the principal structural features of many stratovolcanoes worldwide.
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