| 11. | The volcano is considered semi-dormant but there are numerous fumaroles in the summit crater.
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| 12. | At the top of the volcano lies a summit crater.
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| 13. | In October 1949 the summit crater produced an ash cloud.
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| 14. | During the rainy season, the summit crater fills with water.
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| 15. | The summit crater is breached to the SE and was probably created by a landslide.
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| 16. | The summit crater Regiomontanus A was once considered proof of volcanic activity on the Moon.
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| 17. | It is a stratovolcano with a summit crater lake.
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| 18. | It is tall and has a wide summit crater.
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| 19. | The summit crater is also breached to the southeast.
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| 20. | Blocky andesite lava then flowed from St . Helens'summit crater down the volcano's southeast flank.
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