| 21. | The Diamante Caldera erupted of tephra, 450 ka.
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| 22. | The tephra is dispersed over a wider area than that from Strombolian eruptions.
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| 23. | Evidence from past eruptions indicates large amounts of tephra and lava were produced.
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| 24. | There are beds of thick, basaltic tephra that are of Holocene age.
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| 25. | This volcano, known as Kitasu Hill, comprises tephra and volcanic bombs.
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| 26. | The field's products include lava and tephra.
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| 27. | It includes lava flows long, lapilli and tephra.
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| 28. | Some tephra layers found in the Black Sea may have originated at Ciomadul.
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| 29. | Tephra is a catchall term for fragments of volcanic rock and lava thrown airborne.
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| 30. | Large pieces of tephra are called volcanic bombs.
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