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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: cone building and lava flow generation at fissure 8 continues, ocean entry active long the length of the flow front

Friday Jun 15, 2018 14:47 PM | IS

June 14, 2018, aerial view of the northern margin of the ocean entry where the largest Pāhoehoe breakout area is. Several laze plumes rise along the margin as lava break outs feed many small and large flows. (HVO/USGS)
June 14, 2018, aerial view of the northern margin of the ocean entry where the largest Pāhoehoe breakout area is. Several laze plumes rise along the margin as lava break outs feed many small and large flows. (HVO/USGS)
Fissure 8 viewed from the north on 14 June 2018 at 7:50 AM. It’s spatter cone is roughly 50 m (165 ft) high at is peak and a plume of sulfur dioxide and other volcanic gases rises as an orange tinge from the erupting lava fountains (hidden within the cone). Lava is still flowing out of the vent unabated and fills the perched lava channel  (left of the cone, a standing wave of lava can be seen in the channel). (HVO/USGS)
Fissure 8 viewed from the north on 14 June 2018 at 7:50 AM. It’s spatter cone is roughly 50 m (165 ft) high at is peak and a plume of sulfur dioxide and other volcanic gases rises as an orange tinge from the erupting lava fountains (hidden within the cone). Lava is still flowing out of the vent unabated and fills the perched lava channel (left of the cone, a standing wave of lava can be seen in the channel). (HVO/USGS)
Lava flows and fissures map as of 11:00 a.m. HST, June 14, 2018. Lava keeps pouring from fissure 8 through the well established perched channel towards the wide ocean entry at Kapoho. On land flow expansion is limited to minor breakouts along the north site of the lava channel.  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 14, 2018. Lava keeps pouring from fissure 8 through the well established perched channel towards the wide ocean entry at Kapoho. On land flow expansion is limited to minor breakouts along the north site of the lava channel. Shaded purple areas indicate lava flows erupted in 1840, 1955, 1960, and 2014-2015. (HVO/USGS)
This thermal map shows the fissure system and lava flows as of 6 am on Thursday June 14, 2018. The fountain at Fissure 8 remains active, with the lava flow entering the ocean at Kapoho. Very small, weak lava flows have been active recently near the Fissure 16/18 area. 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. (HVO/USGS)
This thermal map shows the fissure system and lava flows as of 6 am on Thursday June 14, 2018. The fountain at Fissure 8 remains active, with the lava flow entering the ocean at Kapoho. Very small, weak lava flows have been active recently near the Fissure 16/18 area. 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. (HVO/USGS)
During day 42 of Kilauea’s lower East Rift Zone eruption, lava unabatedly poured out of the vent at fissure 8 and rapidly flowed through the well-established ca 13 km (8 Miles) long channel into the wide ocean entry at Kapoho.

Throughout Thursday 14 June, 2018, volcanic activity became more vigorous again at Fissure 8 where lava fountains sustained a height of 61 meter (200 foot) and the spatter cone grew to about 49 m (160 ft) at its highest point. A morning overflight confirmed that activity at the lava flow channel continued with no significant changes and only rare, small overflows of the mainly the northern channel levees.

The lava ocean entry at Kapoho remains fairly broad and has one main entry along with several minor ones. Laze plumes at the ocean entries were often blown onshore and areas of offshore upwelling were present. Since the flow path of lava from fissure 8 into the ocean is well established, there is little to no expansion of lava on land as most of it covers the ocean floor offshore. In the eastern part of the fissure eruption system fissures 16 and 18 continued to ooze lava but without creating any significant lava flows.
Actualités précédentes
Thursday, Jun 14, 2018
Volcanic Ash Advisory Center Washington (VAAC) issued the following report: ... [details]
Image taken on Tuesday morning June 12, 2018, showing the active perched channel with braided lava flows that is fed by Fissure 8 (fountain visible in the distance). (HVO/USGS)
Thursday, Jun 14, 2018
Over the past 2 days, Kilauea's eruptive activity in the lower East Rift Zone persisted with little change. Fissure 8 continues to vigorously effuse lava fountains of varying heights, sometimes 10 meter (35 feet) above the growing cone of cinder and spatter which is now about 45 m (140 ft) at its highest point. ... [details]
This aerial overview of June 12, 2018, shows the dramatic change that Halema‘uma‘u vent underwent over the past few weeks. The image looks west across the crater, with the former Halema‘uma‘u crater floor in the center and the deepest part in the foreground. Ground cracks circumferential to the crater rim can be seen cutting across the parking lot (left). (HVO/USGS)
Thursday, Jun 14, 2018
Day by day, Kilauea’s summit caldera continues to subside and Halema‘uma‘u crater keeps crumbling with every explosive event. Over the past week, such explosions occurred once per day and have been registered as magnitude 5+ earthquakes. They are however not typical earthquakes at all since there is no major fault-rupturing event. Instead, pressure builds up beneath the rubble pile that is choking the conduit and is released as an explosion – a continuous seismic cycle. ... [details]
Wednesday, Jun 13, 2018
Volcanic Ash Advisory Center Washington (VAAC) issued the following report: ... [details]
The three closely spaced lava fountains at fissure 8 are building a cinder-and-spatter cone around the erupting vent through downwind accumulation of lava fragments falling from the fountains. (HVO/USGS)
Tuesday, Jun 12, 2018
Kilauea’s eruption in the lower East Rift Zone continues without showing any signs of weakening. The current activity has been sustained for 38 days now, 2 days longer than the last fissure eruption that occurred in this area in 1960. However, compared to the rapid change of activity locations and advancing lava flow fronts, the eruption seems to have geographically settled for the past week. ... [details]

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