Photo and Video Chronology - Kīlauea - January 2, 2016

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Rockfall triggers small explosive event in Halema‘uma‘u lava lake

 

Preview image for video: Rockfall triggers small explosive event in...

Preview image for video: Around 2:17 p.m., HST, on January 2, a rockfall from the east rim of the Overlook vent within Halema‘uma‘u Crater at the summit of Kīlauea impacted the lava lake, generating a small explosive event captured by HVO webcams. shows the rockfall as seen from HVO and Jaggar Museum.

(Public domain.)

Preview image for video: shows the same rockfall as captured by the...

Preview image for video: shows the same rockfall as captured by the USGS Hawaiian Volcano Observatory webcam perched on the rim of Halema‘uma‘u Crater. Note the fragments of molten lava flying toward the camera—just one of the hazards that led to the closure of this area.

(Public domain.)

In this photo of Kīlauea Volcano's summit lava lake, the light-colo...

In this photo of Kīlauea Volcano's summit lava lake, the light-colored rock in the vent wall to the left of the spattering lava shows were a rockfall occurred on January 2. The shadow of the gas plume appears as a brown streak perpendicular to the dark-colored lava on the floor of Halema‘uma‘u Crater. HVO and Jaggar Museum are visible on top of the caldera wall (upper left).

(Public domain.)

Fragments of molten lava were thrown on the rim of Halema‘uma‘u Cra...

Fragments of molten lava were thrown on the rim of Halema‘uma‘u Crater during the January 2 explosive event. This close-up shows the dust and small rock particles that adhered to the surface of these fragments as they were thrown upward through the ashy plume.

(Public domain.)