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Kīlauea Volcano: Explosion in Overlook Vent Produces Large Volcanic Cloud

Posted by feww on May 17, 2018

Volcanic Activity Summary:

At about 0415 [HST?] this morning, an explosion from the Overlook vent within Halemaumau crater at Kilauea Volcano’s summit produced a volcanic cloud that reaches as high as 30,000 ft asl and drifted northeast. Continued emissions from the crater are reaching as high as 12,000 ft asl.

At any time, activity may again become more explosive, increasing the intensity of ash production and producing ballistic projectiles near the vent. [USGS-HVO]

This video shows spattering at fissure 18, Kīlauea Volcano’s Lower East Rift Zone, at approximately 2:00 AM HST on May 16, 2018. The audio captures the sounds of explosions and burning vegetation.

Lava spattering area from an area between fissures 16 and 20 photographed at 8:20 a.m. today [Time Zone Not Specified.]

Close view of rock hurled from the Overlook crater during an explosive event last evening. The rock broke apart on impact, and was about 60 cm (24 in) before it hit the ground. The location is a few hundred meters (yards) south of the Overlook crater at the Halema‘uma‘u parking lot. Note the ash covering the parking lot, less than about 1 cm (0.4 in) in thickness. 

View uprift from the Hawaiian Volcano Observatory overflight this morning at 8:25 a.m. Note sulfur dioxide plumes rising from the fissures along the rift and accumulating in the cloud deck. Winds are calm today. [Time Zone Not Specified.]

Aerial view (from a helicopter) of spattering between fissures 16 and 20, Kīlauea Volcano Lower East Rift Zone, at approximately 7:30 AM HST on May 16, 2018. The audio is the sound of the helicopter. [All images and videos mirrored from USGS-HVO]


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