| 11. | Phreatic eruptions occurred during the major 1933 earthquake.
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| 12. | According to eyewitness, phreatic eruptions continued after the large collapse at least twice.
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| 13. | Phreatic eruptions typically include steam and rock fragments; the inclusion of lava is unusual.
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| 14. | It occurred at a flank vent and was a phreatic eruption, which produced lahars.
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| 15. | The last major activities on the volcano were the phreatic eruptions of 1976 and 1977.
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| 16. | Still, the eruption from Katmai had a VEI of 3, and possibly involved phreatic eruptions.
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| 17. | More recently, there was a phreatic eruption in 1766 that deposited ash over a wide area.
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| 18. | There was also eruptive activity in 2009 involving minor phreatic eruptions and landslides within the northern active crater.
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| 19. | Since 1772, only small phreatic eruptions were recorded before an explosive eruption that began in November 2002.
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| 20. | These were produced by phreatic eruptions when magma contacted the water table and water-saturated sediments along the coast.
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