Tag Archive | "ashfall"

Photo taken Wednesday, August 15, 2018 courtesy of U.S. Geological Survey

Kilauea Eruption: Volcano still fairly quiet, Civil Defense discontinues daily updates

The Hawaiian Volcano Observatory reports that activity on the lower east rift zone of Kilauea Volcano has diminished and remained quiet for over a week. The only surface activity is a small, crusted lava pond inside the fissure 8 cone, and a few areas along the coast where lava is entering the ocean. Sulfur dioxide […]

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Map as of 12:00 p.m. HST, August 14, 2018. The lull in eruptive activity on Kīlauea's lower East Rift Zone continues. Lava flows have not expanded since August 9. The fissure 8 cone still hosts a small pond of lava, but no new lava has entered the existing channel in over a week. Lava may intermittently enter the ocean between the Kapoho Bay and Isaac Hale Beach Park areas until residual lava contained within the existing flow is depleted. Given the dynamic nature of Kīlauea's eruption, map details shown here are accurate as of the date/time noted. Shaded purple areas indicate lava flows erupted in 1840, 1955, 1960, and 2014-2015. A NEW MAP WILL NOT BE ISSUED until the current conditions change.

Kilauea Eruption: Fissure 8 crusted over, lava flows have not expanded since August 9

The Hawaiian Volcano Observatory reports that eruptive activity remains at reduced levels at Kilauea Summit and the lower east rift zone. Seismic activity at the summit continues to be low with few earthquakes. The lava pond in fissure 8 cone is mostly crusted over. Fissure 8, along with other fissures, continues to release gas. Lava […]

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Ocean entries were small and scattered this morning, but lava had made no significant advance toward Isaac Hale Beach Park. The Pohoiki boat ramp remains intact, but access from it to the open bay has been cut off by a sand bar that extends from the jetty to the shore. As molten lava streams into the ocean, it shatters into small glassy fragments, forming black sand that's transported along the coast by longshore currents. Photo taken Monday, August 13, 2018 courtesy of U.S. Geological Survey

Kilauea Eruption: Fissure 8 lava pond is crusted over, fumes continue to be released

Although a lull in activity continues, it is common for eruptions to go through periods of diminished output, or to pause completely, only to reactivate days or weeks later, or longer. Volcanic activity could occur at any time. Residents should remain informed and heed Hawaii County Civil Defense messages and warnings.

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Clear weather this afternoon afforded a stunning view of Kīlauea's summit, which has been "quiet" since August 4, with no significant subsidence or collapses. The flat ledge shown here (center) is part of the former Halema‘uma‘u crater floor, which dropped precipitously between mid-May and early August. Photo taken Thursday, August 9, 2018 courtesy of U.S. Geological Survey

Kilauea Eruption: Activity is minimal and mostly confined to Fissure 8

The Hawaiian Volcano Observatory reports that eruptive activity remains minimal at Kilauea Summit and at the lower east rift zone from fissure 8. Seismic activity at the summit is low with few earthquakes. Field crews report a lava pond remains confined to fissure 8. HVO continues to monitor Kilauea for possible signs of reactivation.

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Kilauea Eruption: Minimal volcanic activity at Fissure 8 and Kilauea summit

The Hawaiian Volcano Observatory reports that eruptive activity remains minimal at Kilauea Summit and at the lower east rift zone from fissure 8. Seismic activity at the summit is low with few earthquakes. Field crews overnight report a lava pond confined to fissure 8. HVO continues to monitor Kilauea for possible signs of reactivation.

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This thermal map shows the fissure system and lava flows as of 6 am on Monday, August 6. Fissure 8 activity has decreased substantially over the past few days, with only a weak lava pond active within the Fissure 8 cone. There were no signs on the surface of lava being supplied from the vent into the channel. Nevertheless, residual lava in the flow continues to enter the ocean, mainly around Ahalanui. The black and white area is the extent of the thermal map. Temperature in the thermal image is displayed as gray-scale values, with the brightest pixels indicating the hottest areas. The thermal map was constructed by stitching many overlapping oblique thermal images collected by a handheld thermal camera during a helicopter overflight of the flow field. The base is a copyrighted color satellite image (used with permission) provided by Digital Globe.

Kilauea Eruption: Eruptive activity is dramatically decreased at Fissure 8 and Kilauea summit

The Hawaiian Volcano Observatory reports that eruptive activity has decreased at the Kilauea summit and lower east rift eruption from fissure 8. Seismic activity is low with few felt earthquakes at the summit. Crews overnight in the lower east rift report only glow in fissure 8. HVO continues to monitor Kilauea for signs of reactivation […]

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This morning's overflight revealed a weak to moderately active pond of lava bubbling within the fissure 8 cone, but no visible supply of lava from fissure 8 into the channel. The perched channel and braided sections downstream were essentially crusted over with some incandescence noted. Active flow in the channel was observed immeidately west Kapoho Crater. Photo taken Monday, August 6, 2018 courtesy of U.S. Geological Survey

Kilauea Eruption: Eruptive activity at Kilauea summit and Fissure 8 decreases

The Hawaiian Volcano Observatory reports that eruptive activity has decreased at the Kilauea summit and lower east rift zone at fissure 8. Seismic activity is low with few felt earthquakes at the summit. Weak activity was reported in the fissure 8 cone with no activity seen in the upper channel. At the ocean entry, mild […]

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Looking more directly into the fissure 8 vent this morning, the inner walls of the cone and lava surface could be seen. The level of lava within the vent and spillway (left) were down compared to yesterday. A dark crust, which forms as the lava surface cools, had formed on the lava with the spillway. Photo taken Sunday, August 5, 2018 courtesy of U.S. Geological Survey

Kilauea Eruption: Lava output from Fissure 8 and Kilauea summit quakes lessen

The Hawaiian Volcano Observatory reports that earthquakes continue at a decreased rate at the Kilauea summit. Fissure 8 continues to erupt with lower lava levels.

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Kilauea Eruption: Lava flow and fumes continue in Lower East Rift Zone

The Hawaiian Volcano Observatory reports that earthquakes continue at Kilauea summit. Fissure 8 continues to erupt lava into the perched channel, sending flows to the ocean at Ahalanui and creating a large laze plume. The margin of the flow at the ocean entry has not advanced and remains approximately 500 feet from the Pohoiki boat […]

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An aerial view of Kīlauea Volcano's summit taken on August 1. A section of Hawai‘i Volcanoes National Park's Crater Rim Drive and the road leading to the Kīlauea Overlook parking area are visible at lower right. HVO, Jaggar Museum, and the museum parking area are visible at far middle right. A down-dropped section of the caldera floor can be seen to the left of Halema‘uma‘u, a crater that continues to grow. On the caldera rim (upper right) light-colored ash deposits from explosions in May are stirred up by brisk winds, creating a dust cloud that's blown downwind. Photo taken Wednesday, August 1, 2018 courtesy of U.S. Geological Survey

Kilauea Eruption: Fissure 8 continues output, spillover from lava channel overnight

The Hawaiian Volcano Observatory reports that earthquakes continue at Kilauea summit. At 2:24 pm, a magnitude 4.1 earthquake occurred in the summit caldera that produced a rockfall. Fissure 8 continues to erupt lava into the perched channel, sending flows to the ocean at Ahalanui and creating a large laze plume. The margin of the flow […]

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Kilauea Eruption: Fissure 8 continues lava flow to ocean, meeting tonight in Volcano

The Hawaiian Volcano Observatory reports earthquakes continue at Kilauea Summit. Fissure 8 continues to erupt sending lava flows into the ocean at Ahalanui; creating a large laze plume. State Highways reports no new cracks on Highway 11, but request motorists stay on the pavement and be alert for changes in roadway conditions between mile markers […]

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Lava has been about 500 feet from the Pohoiki Boat Ramp as seen in this photo taken Monday, July 30, 2018. Photo courtesy of Hawaii County Fire Department

Kilauea Eruption: Lava flow and laze plumes continue in Lower East Rift Zone

The Hawaiian Volcano Observatory reports earthquakes continue at the Kilauea Summit. Fissure 8 continues to erupt sending lava flows into the ocean at Ahalanui; creating a large laze plume. As of last evening the Western edge of the flow had not advanced southward and remained approximately 500 feet from the Pohoiki Boat Ramp at Isaac […]

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The fissure 8 ocean entry and laze plume as they appeared at sunrise this morning. The Pohoiki boat ramp is visible just below the plume (slightly left of center). Photo taken Tuesday, July 31, 2018 courtesy of U.S. Geological Survey

Kilauea Eruption: lava flow and quakes continue, community meeting tonight in Pahoa

Hawaiian Volcano Observatory reports a 4.5 magnitude earthquake occurred at Kilauea Summit this morning at 12:30 a.m. No damage was reported. Earthquakes continue at Kilauea Summit and Fissure 8 continues to erupt into the channel sending lava flows into the ocean at Ahalanui, creating a large laze plume.

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During this morning's overflight, USGS scientists noted that the distal fissure 8 flow margin had not advanced overnight, and remained less than 175 m (0.1 mi) from the Pohoiki boat ramp in Isaac Hale Park. But they also observed that lava along the western edge of the flow was fuming, so it could start oozing from that edge. Photo taken Monday, July 30, 2018 courtesy of U.S. Geological Survey

Kilauea Eruption: Lava flow continues in perched channel, quake activity ongoing at Kilauea summit

The Hawaiian Volcano Observatory reports that earthquakes continue at Kilauea summit and fissure 8 continues to erupt lava into the perched channel, sending flows to the ocean at Ahalanui and creating a large laze plume. This morning, HVO field crews report low lava levels in the channel and no overflows. The margin of the flow […]

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