Photo and Video Chronology - Kīlauea - August 23, 2019

image related to volcanoes. See description

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This view of the southern wall of Kīlauea's caldera shows a feature known as the "south sulfur bank." A sulfur-rich and highly altered area was present here prior to the summit collapse events in 2018, but more of it was exposed as the crater walls dropped during the collapses. Today the exposure is approximately 100 m (300 ft) tall, whereas the exposed sulfur bank was only a couple of meters (yards) high before 2018. USGS photo by C. Parcheta, 08-22-2019.

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Pu‘u ‘Ō‘ō remains quiet. Clear weather during HVO's August 22 overflight provided good views into the drained crater. Rubble from crater wall collapses has filled in much of the deeper part of the crater, with the bottom now at about 250 meters (820 feet) below the east rim. The curvature of the horizon is caused by the wide-angle view of the camera. USGS video by M. Patrick, 08-22-2019.

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Helicopter telephoto zoom of HVO technician performing routine maintenance on a web camera during yesterday's overflight.