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Kilauea volcan
Shield volcano 1277 m (4,190 ft)
Hawai'i, 19.41°N / -155.29°W
Condition actuelle: normal / en sommeil (1 sur 5)
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Eruptions du volcan Kilauea:
Near-continuous eruptions. Since 1960: 1961 (4x), 1962, 1963 (2x), 1965 (2x), 1967-68, 1968 (2x), 1969, 1969-74, 1971 (2x), 1973 (2x), 1974 (3x), 1975, 1977, 1979, 1980, 1982 (2x), 1983-2008 (ongoing)
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Dominant effusive depuis 1790, mais ~ de 60% au cours des derniers explosive ~ 2500 ans.
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Nouvelles du volcan Kilauea

Kilauea volcano update: Lava fountaining continues at fissure 8, the resulting lava flow almost reaching the ocean at Kapoho

Monday Jun 04, 2018 07:04 AM | IS

Although continuously active, lava fountaining from fissure 8 temporarily decreased to heights of about 50 m (164 feet) during the night from 1 to 2 June . The moon can be seen in the upper left. (HVO/USGS)
Although continuously active, lava fountaining from fissure 8 temporarily decreased to heights of about 50 m (164 feet) during the night from 1 to 2 June . The moon can be seen in the upper left. (HVO/USGS)
East side of the fissure 8 flow advancing on the "lighthouse road" (east of the Four Corners intersection) around 14h00 on Saturday 2 June when this ‘a‘ā flow was about 5 m (16 ft) thick. (HVO/USGS)
East side of the fissure 8 flow advancing on the "lighthouse road" (east of the Four Corners intersection) around 14h00 on Saturday 2 June when this ‘a‘ā flow was about 5 m (16 ft) thick. (HVO/USGS)
Lava flows and fissures map as of 11:00 a.m. HST, June 3, 2018. Given the dynamic nature of Kīlauea's lower East Rift Zone eruption, with changing vent locations, fissures starting and stopping, and varying rates of lava effusion, 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. (HVO/USGS)
Lava flows and fissures map as of 11:00 a.m. HST, June 3, 2018. Given the dynamic nature of Kīlauea's lower East Rift Zone eruption, with changing vent locations, fissures starting and stopping, and varying rates of lava effusion, 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. (HVO/USGS)
In the Lower East Rift Zone vigorous fountaining persisted from fissure 8 throughout the weekend, feeding large amounts of lava into the channel that runs northeast as the western branches of this flow became inactive during the night from Friday 1 to Saturday 2 June. The remaining fissure 8 lava flow continued to travel along Highway 132 to Kapoho and eventually crossed Highway 137 at the ‘Four Corners’ intersection of Highways 132 and 137 on Saturday morning 2 June at 9h30 am local time. It thereby effectively cut off the land south of this active flow front from Pohoiko to Vacationland Hawaii where any people that got stuck are evacuated by boat and helicopter. The same lava flow subsequently wrapped around Kapoho cinder cone and entered it through the gap on its east side, filling up the crater and creating a large steam plume as it evaporated all the water of Green Lake. As lava continues to pour into the Kapoho cinder cone in Green forest, it creates a stunning ‘lava fall’ The active flow then spread out to a 0.5 mile wide lava flow front that continues to make its way towards the ocean at Kapoho Bay. On Sunday evening 3 June 19h00 local time HVO/USGS reported that this flow front was merely 225 meter (245 yards) away from the ocean.
The lava fountaining from fissure 8 in the western part of the eruptive system was the main activity over the past few days. Whereas fissures 18 and 22 were still feeding lava flows traveling south by the end of last week, both were inactive by the early morning of Saturday 2 June when the only other active flow noted during an overflight was from fissure 16, in the eastern part of the active rift system, which was weakly active. By Sunday 3 June local time none of the fissures besides fissure 8 were active as by then fissure(s) 16 (and 18) only showed incandescence without fountaining. At the same time heavy steaming and abundant gas emission was noted from fissure(s) 9 (and 10), potentially announcing re-activation of these vents which prompted mandatory evacuation for the Leilani Estates area around these fissures.
Meanwhile at Kilauea’s summit caldera the vent inside Halema’uma’u crater keeps collapsing as magma was drained from beneath it and the summit area is deflating. A small explosion occurred on Friday afternoon 13h39 but ash emissions have overall decreased, possibly reflecting the accumulation of rubble at the base of the growing summit crater. Earthquake activity was low during the night from Friday 1 June to Saturday 2 June but then seismicity picked up again and there were many earthquakes overnight from Saturday 2 to Sundqay 3 June, leading the HVO/USGS to expect a another small explosion to take place in the next day. Whereas ash emissions from Halema’uma’u crater are currently low, the emission of volcanic gasses remains high.
Actualités précédentes
Monday, Jun 04, 2018
Volcanic Ash Advisory Center Washington (VAAC) issued the following report: ... [details]
Sunday, Jun 03, 2018
Volcanic Ash Advisory Center Washington (VAAC) issued the following report: ... [details]
Saturday, Jun 02, 2018
Volcanic Ash Advisory Center Washington (VAAC) issued the following report: ... [details]
Saturday, Jun 02, 2018
Volcanic Ash Advisory Center Washington (VAAC) issued the following report: ... [details]
Friday, Jun 01, 2018
Volcanic Ash Advisory Center Washington (VAAC) issued the following report: ... [details]

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