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Kilauea eruption
- Thread starter hammies
- Start date
Eruption waning?
Status link
Kīlauea Volcano Lower East Rift Zone
Activity and lava output from fissure 8 remains low. The morning overflight crew observed a small active lava lake within the fissure 8 cone, a weak gas plume, and a drained upper lava channel. The surface of the lava lake was about 5-10 m below the spillway entrance. There were a diminishing number of small active ooze outs near the coast on the Kapoho Bay and Ahalanui lobes and the laze plume was greatly diminished. Active lava remains close to the Pohoiki boat ramp but has not advanced significantly toward it.
The significance of this change is not yet clear and hazardous conditions remain in the area. HVO field crews and the UAS team will monitor activity throughout the day and overnight.
It is common for eruptions to wax and wane or pause completely. A return to high levels of lava discharge or new outbreaks in the area of active fissures could occur at any time.
Residents should remain informed and heed Hawaii County Civil Defense messages and warnings.
Kīlauea Volcano Middle East Rift Zone
Gas measurements of the Puʻu ʻŌʻō plume taken on Monday and Tuesday morning indicated a reduced SO2 emission rate lower than the measurement last Friday and similar to what has been observed over the past three months. No active lava was observed in the crater on an overflight on August 6th.
Kīlauea Volcano Summit
The volcano's summit remains quiet following the most recent collapse at 11:55 a.m. HST August 4th. This continues a significant departure from the pattern of seismicity and deformation over the past several months, with very low rates of seismicity continuing today. The deformation at the summit as measured by tiltmeter and GPS instruments has virtually stopped.
Summit and LERZ changes considered together imply that the rate of magma leaving the summit to feed the Lower East Rift Zone eruption has decreased. How long this condition will persist is unknown. It is possible that outflow will pick up again, resulting in renewed summit area deflation leading to another collapse event and renewed eruption vigor on the LERZ.
Status link
Kīlauea Volcano Lower East Rift Zone
Activity and lava output from fissure 8 remains low. The morning overflight crew observed a small active lava lake within the fissure 8 cone, a weak gas plume, and a drained upper lava channel. The surface of the lava lake was about 5-10 m below the spillway entrance. There were a diminishing number of small active ooze outs near the coast on the Kapoho Bay and Ahalanui lobes and the laze plume was greatly diminished. Active lava remains close to the Pohoiki boat ramp but has not advanced significantly toward it.
The significance of this change is not yet clear and hazardous conditions remain in the area. HVO field crews and the UAS team will monitor activity throughout the day and overnight.
It is common for eruptions to wax and wane or pause completely. A return to high levels of lava discharge or new outbreaks in the area of active fissures could occur at any time.
Residents should remain informed and heed Hawaii County Civil Defense messages and warnings.
Kīlauea Volcano Middle East Rift Zone
Gas measurements of the Puʻu ʻŌʻō plume taken on Monday and Tuesday morning indicated a reduced SO2 emission rate lower than the measurement last Friday and similar to what has been observed over the past three months. No active lava was observed in the crater on an overflight on August 6th.
Kīlauea Volcano Summit
The volcano's summit remains quiet following the most recent collapse at 11:55 a.m. HST August 4th. This continues a significant departure from the pattern of seismicity and deformation over the past several months, with very low rates of seismicity continuing today. The deformation at the summit as measured by tiltmeter and GPS instruments has virtually stopped.
Summit and LERZ changes considered together imply that the rate of magma leaving the summit to feed the Lower East Rift Zone eruption has decreased. How long this condition will persist is unknown. It is possible that outflow will pick up again, resulting in renewed summit area deflation leading to another collapse event and renewed eruption vigor on the LERZ.
Looks like the main show has slacked off finally (I know, I know, I just jinxed it), but for now, looks like a nice peak...
Some follow-up here (click me).
Blurb:
In three separate papers published this week in Science, researchers wove together much of the data from those instruments to tell the tale of Kilauea’s eruption from summit to sea. The first revelation, discovered in a study led by U.S. Geological Survey geophysicist Kyle Anderson, was that the eruption caused the caldera collapse rather than the other way around. That relationship had been a geologic chicken-and-egg question debated among scientists, but at both Bardarbunga and Kilauea, the eruption clearly came first. Anderson and his team found that the rifting of the island, which occurs as gravity drags the slope of Kilauea seaward, opened up fissures for magma to drain from the volcano’s reservoir and the lava lake above it. When the magma below the caldera disappeared, all the rock in its floor crumbled down more than 500 meters over an area of five square kilometers. Once the caldera floor buckled, it pressurized the whole underground magma plumbing system like a piston—increasing and prolonging the eruptive activity in the rift zone.
Blurb:
In three separate papers published this week in Science, researchers wove together much of the data from those instruments to tell the tale of Kilauea’s eruption from summit to sea. The first revelation, discovered in a study led by U.S. Geological Survey geophysicist Kyle Anderson, was that the eruption caused the caldera collapse rather than the other way around. That relationship had been a geologic chicken-and-egg question debated among scientists, but at both Bardarbunga and Kilauea, the eruption clearly came first. Anderson and his team found that the rifting of the island, which occurs as gravity drags the slope of Kilauea seaward, opened up fissures for magma to drain from the volcano’s reservoir and the lava lake above it. When the magma below the caldera disappeared, all the rock in its floor crumbled down more than 500 meters over an area of five square kilometers. Once the caldera floor buckled, it pressurized the whole underground magma plumbing system like a piston—increasing and prolonging the eruptive activity in the rift zone.
