USGS Status Update of Kīlauea Volcano - June 11, 2018

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USGS Hawaiian Volcano Observatory, Status of Kīlauea Volcano, June 11, 2018, Jessica Ball, USGS Volcanologist


Date Taken:

Length: 00:01:38

Location Taken: Kīlauea Volcano, HI, US


Good morning. This is the HVO Kilauea update for June 11.

In the Lower East Rift Zone, fissure 8 now has 3 closely-spaced lava fountains erupting to maximum heights of 115 to 130 feet, and is still feeding a channelized lava flow to the ocean entry at Kapoho. This morning's flight confirmed that the channel is still full but that there have been no recent spillovers.

Last night weak lava activity was observed at fissures 16 and 18. Gas emissions from fissure 8 are high and were recently measured to be nearly twice the value of the last two weeks, so vog is still a concern in the area.

Crews have been onsite 24/7 tracking the fountains, lava flows, and spattering in the Lower East Rift Zone. The cracks on Highway 130 are also being monitored and no changes in temperature, width or gas output have been seen for several days.

Overnight there were two explosions at Kilauea's summit. The first, smaller event occurred at 12:46 AM. Following this event there was no significant dropoff in seismicity until after the second larger explosion at 4:43AM. Inward slumping of the rim and walls of Halema'uma'u contines in response to the ongoing subsidence at the summit.

Sulfur dioxide emissions at the summit have dropped to levels about half of what was observed before the onset of the current eruptive activity. Gas and minor amounts of ash are still being transported downwind.