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Cleveland reported activity





Event Name : Cleveland 2006/5

Start:May 23, 2006 ± 15 MinutesObserved
Stop:May 23, 2006 ± 2 HoursObserved

Tephra plume: BibCard BibCard BibCard BibCard
Eruption Type:Explosive
ColHeight: 6700 m BibCard
Duration: Less than 2 hours BibCard
MaxVEI: 3 BibCard

Description: From Neal and others (2009): "On May 5, AVO reported a thermal anomaly and continuous plume of volcanic gas from Cleveland. The plume was visible over the course of 6 hours but traveled only 48 km (30 mi) southwest of the volcano and appeared to be at a relatively low altitude and devoid of ash. Cleveland remained 'Not Assigned.'

"On May 23, an astronaut aboard the International Space Station (ISS) contacted ground control with a report of an eruption from a volcano in the Aleutians. Subsequent communication with AVO, including receipt of a photograph [see fig. 41 in original text, and http://www.avo.alaska.edu/image.php?id=10064 online] and a telephone call from the ISS, confirmed Cleveland as the source. The plume was ash rich and by the time it was detected in AVHRR imagery, it was a detached ash cloud about 130 km (80 mi) southwest of the volcano. Satellite cloud-temperature data indicated a cloud top of about 6,700 m (22,000 ft) ASL. AVO raised the Level of Concern Color Code for Cleveland to YELLOW, and subsequently downgraded to 'Not Assigned' on May 26 after no further activity was detected."

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Page modified: March 30, 2017 14:36
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