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Late last night, the fissure 20 lava flow reached the ocean. Hot lava entering the ocean creates a dense white plume called "laze" (short for "lava haze"). Laze is formed as hot lava boils seawater to dryness. The process leads to a series of chemical reactions that result in the formation of a billowing white cloud composed of a mixture of condensed seawater steam, hydrochloric acid gas, and tiny shards of volcanic glass. This mixture has the stinging and corrosive properties of dilute battery acid, and should be avoided. Because laze can be blown downwind, its corrosive effects can extend far beyond the actual ocean entry area. Photo taken Sunday, May 20, 2018 courtesy of U.S. Geological Survey

Kilauea Eruption: Lava flows enter the ocean, SO2 in air greatly increases Sunday (May 20)

Hawaiian Volcano Observatory continues to monitor active lava flows. Flow front 3 has split into two flows and both are entering the ocean. HVO also reports that sulfur dioxide (SO2) emissions have tripled.

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Kilauea Eruption: Lava flow crosses Highway 137, enters ocean Saturday (May 19)

Flow front #1 has crossed Highway 137 at the 13-mile marker and has entered the ocean. Laze is formed when hot lava hits the ocean sending hydrochloric acid and steam with fine glass particles into the air.

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Kilauea Eruption: Fast moving lava crosses Pohoiki Road Friday (May 18)

Fast moving lava has crossed Pohoiki Road near Malama Ki Place.  Police, Fire and National Guard are being sent in to stop all entry on both sides of Pohoiki and secure the area.

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Panorama of Halemaʻumaʻu Overlook Vent Wide Angle from HVO Observation Tower at 5:44 a.m. HST Thursday, May 17, 2018. Photo taken Thursday, May 17, 2018 courtesy of U.S. Geological Survey

Kilauea Eruption: Explosive eruption at Kilauea summit Thursday (May 17)

Hawaiian Volcano Observatory reports that an Explosive Eruption at Kilauea’s Summit has occurred at 4:17 a.m. Thursday, May 17, 2018. Residents are advised to take precautions due to the ash.

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Kilauea Eruption: Very little advancement of lower east rift flow Wednesday (May 16)

Lava flows from fissure 17 have advanced little over the past day. Field crew estimates are an advance of only 100 yards. The National Weather Service has cancelled the Ashfall Advisory as of 8:33 a.m.

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At about 8:30 a.m. Tuesday (May 15) a large ash plume rose from Halemaumau's Overlook Vent as seen from the Volcano Country Club Golf Course. Photo by Timothy Bryan | Special to Hawaii 24/7

Kilauea Eruption: New fissure opens in Lanipuna Gardens, Halemaumau ash fallout headed towards Ka‘u

Rockfalls continue to send up ash plumes from Halemaumau’s Overlook Vent. The Hawaiian Volcano Observatory reports eruption activity continues in lower Puna with fissure 20 opening early this morning.

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Kilauea Eruption: Narrow lava flow moving towards ocean, CONDITION RED air quality Monday (May 14)

A narrow lava flow from fissure 17 has been generated and is slowly moving toward the ocean, which is about two miles away. A new fissure in Lanipuna Gardens Subdivision has opened between fissure 15 and 16 at this time.

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Kilauea Eruption: New fissure 18 develops Sunday (May 13)

Hawaiian Volcano Observatory reports that Fissure 17 off Halekamahina Loop Road is at least several hundred yards long and producing lava spatter. Lava is slowly moving away from the vent at this time.

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Kilauea Eruption: New fissures 16 & 17 erupt east of PGV Saturday (May 12)

Hawaiian Volcano Observatory reports a new fissure, number 17, is opening up about 100 meters below fissure 16. At this time, steam and lava spatter activity has started from this new fissure.

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Kilauea Eruption: Volcanic activity pauses, hazardous fumes continue Friday (May 11)

Earthquake, ground deformation, and continuing high emission rates of Sulphur Dioxide (SO2) indicate additional outbreaks of lava are likely.

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Kilauea Eruption: Fissure 15 has paused, hazardous fumes continue, video of lava lake dropping

Dept. of Water Supply has issued an Emergency water restriction for the Pohoiki, Vacationland and Kapoho area due to the impacts to the bypass waterline.

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Kilauea Eruption: At least 116 acres covered, and 36 structures destroyed by lava

Hawaiian Volcano Observatory (HVO) confirms a new fissure (#15) is in Lanipuna Subdivision near the entrance and is actively erupting. Officials are on site assessing the situation. Hazardous fumes continue to be released.

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Kilauea Eruption: At least 35 structures destroyed by lava as of Monday (May 7)

Hawaiian Volcano Observatory confirms the eruption in Leilani continues. Two new fissures have emerged south of Malama Street emitting lava and gas. A community meeting will be held tonight at Pāhoa High School Cafeteria at 5:30 p.m.

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Volcano Watch: Kilauea activity update for May 6, 2018

This past week, Kīlauea Volcano’s summit lava lake level dropped with summit deflation, and was about 160 m (525 ft) below the vent rim as of May 5 at 9:30 p.m. HST.

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