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redoubt reported activity

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EVENT SPECIFIC INFORMATION

Start:April 30, 1992 Observed

Fumarolic or hydrothermal activity: BibCard
Eruption Type:Not an eruption.
Other""

Description: From McGimsey and others (1995): "On April 30, pilot reports of 'a plume to 20,000 ft over Iliamna volcano' set off a chain reaction that culminated in a widespread rumor that an eruption had occurred or was in progess at Iliamna volcano. Subsequent reports also indicated Redoubt volcano was erupting. AVO promptly issued a widely distributed information release stating that no eruptive activity had occurred at any Cook Inlet volcano. Staff spent the afternoon answering dozens of calls and initiating calls in an effort to quell the false reports. Nonetheless, the rumormill persisted and by late afternoon local media were announcing that Iliamna had erupted and an ash cloud was headed towards Anchorage. AVO immediately contacted local government officials and the media to avert the crisis and then issued a final information release explicitly stating that no eruptive activity had occurred. AVO responds quite frequently to eruption reports by pilots and the general public who mistake fumarolic steam plumes at Iliamna for eruptive activity."

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Page modified: June 11, 2014 13:55
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