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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: Kilauea, Lower East Rift zone: eruption continues with lava overflows again threatening property in Kapoho Beach Lots and the new lava delta growing to 460 acres

vendredi juin 29, 2018 14:13 | IS

This aerial image taken on Sunday morning 24 June 2018, shows the  section of the channelized flow below Kapoho crater where the lava is ponding  and overflowing at its edges, sending lava laterally. (Bruce Omori, Extreme Exposure Fine Art Gallery)
This aerial image taken on Sunday morning 24 June 2018, shows the section of the channelized flow below Kapoho crater where the lava is ponding and overflowing at its edges, sending lava laterally. (Bruce Omori, Extreme Exposure Fine Art Gallery)
This thermal map shows the fissure system and lava flows as of 6 am on Wednesday, June 27. The fountain at Fissure 8 remains active, with the lava flow entering the ocean at Kapoho. Small breakouts were observed in the area of Kapoho Beach Lott as well as very small, short flows near Fissure 22. 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 Wednesday, June 27. The fountain at Fissure 8 remains active, with the lava flow entering the ocean at Kapoho. Small breakouts were observed in the area of Kapoho Beach Lott as well as very small, short flows near Fissure 22. 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 image taken during an early morning overflight on Sunday, June 24, 2018 shows dozens of rivulets of lava entering the sea at Kapoho, creating multiple active ocean entries with laze plumes. (Bruce Omori, Extreme Exposure Fine Art Gallery)
: This image taken during an early morning overflight on Sunday, June 24, 2018 shows dozens of rivulets of lava entering the sea at Kapoho, creating multiple active ocean entries with laze plumes. (Bruce Omori, Extreme Exposure Fine Art Gallery)
Light spattering was observed at fissure 22, near the Puna Geothermal Venture, during an 5h45 am overflight on Wednesday 27 June 2018. (Bruce Omori, Extreme Exposure Fine Art Gallery)
Light spattering was observed at fissure 22, near the Puna Geothermal Venture, during an 5h45 am overflight on Wednesday 27 June 2018. (Bruce Omori, Extreme Exposure Fine Art Gallery)
Kilauea’s LERZ eruption continues in much the same way as it has since lava flows from fissure 8 reached the ocean at Kapoho at the start of June. The cinder cone constructed through lava spattering around fissure 8 is by now 55 m (180 ft) tall at its highest point, mostly hiding the lava fountains which only occasionally rise above it. HVO/USGS estimates that the rate at which lava effuses from fissure 8 is approximately 100 cubic meters per second. The well established 8-mile channel through which this lava is quickly transported to the ocean shows intermittent, short-lived overflows which rarely extend beyond the existing flow field.

However, over the past few days some changes occurred in the final part of the lava channel, after the flow takes a southward turn towards the ocean entry. Bruce Omori observed during one of his morning overflights that lava has been somewhat ponding below Kapoho crater, resulting in overflows that migrate laterally away from the channel and once again threaten homes in the Kapoho farm and beach lots area north of the present flow field. The 27 June 2018 thermal map of the flow field confirms this and in addition shows that the lava channel has crusted over about 0.8 km (0.5 mi) inland of the ocean entry. Lava is now moving beneath this crust and into the still-molten interior of earlier flows before it enters the sea at former Kapoho Bay.

Meanwhile the lava flow front at the coast broadened southward and is now nearly 3,2 kilometers (2 miles) in width. Lava is entering the ocean both on the southern portion of the flow front where previously the open channel ended but also along a 1 km (0.6 mi) wide area to the north where multiple laze plumes are produced from smaller oozing lobes. HVO/USGS reports that the new lava delta is by now 1,86 square kilometres (460 acres) in size, an increase of 50 new acres over the last two days.

Apart from fissure 8, there is also near continuous activity from fissure 22 which shows weak spattering and creates smalls flows around the base of its spatter cone. Minor incandescence has also been observed at fissures 16 and 18.
Actualités précédentes
Lava continues to erupt at a high rate from Fissure 8 and flow within the well established channel to the ocean south of Kapoho. (HVO/USGS)
samedi, juin 23, 2018
The fissure eruption at Kilauea’s Lower East Rift Zone continued without any change throughout the past week. Activity remains focused on Fissure 8 where lava is still erupting at a high rate and then flows within the well established channel to the ocean. Fissures 6, 16/18 and 22 have been intermittently active, showing incandescence and/or lava spattering that at times created small flows. ... [details]
samedi, juin 23, 2018
Volcanic Ash Advisory Center Washington (VAAC) issued the following report: ... [details]
This image was captured during the helicopter overflight on June 18, 2018. It shows the growing Halema‘uma‘u crater viewed to the southeast, with HVO and Jagger Museum sitting on the caldera rim to give a better scale of the ongoing subsidence at the summit. (HVO/USGS)
vendredi, juin 22, 2018
Kilauea’s summit continues to steadily subside in response to the large volume of magma that was drained from beneath the caldera towards the lower East Rift Zone early May. This process is most pronounced around Halema’uma’u crater whose walls are falling in on itself and by now has grown to nearly twice its original width and depth – having partially swallowed the old overlook parking lot. What was once a 12-acre (0,05 square km) lava lake in the middle of the crater has grown to more than 130 acres (0.526 square km), at places up to 300 m (1000 ft) deep, and is getting larger every single day. A preliminary estimate of summit volume loss is around 260 million cubic meters as of June 15th, 2018. ... [details]
jeudi, juin 21, 2018
Volcanic Ash Advisory Center Washington (VAAC) issued the following report: ... [details]
mardi, juin 19, 2018
Volcanic Ash Advisory Center Washington (VAAC) issued the following report: ... [details]

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