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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)
Style éruptif tipique:
Dominant effusive depuis 1790, mais ~ de 60% au cours des derniers explosive ~ 2500 ans.
Derniers séismes proches
Voyages au volcan Kilauea
Hawaii - Birthplace of Islands (14 days walking and study tour to Oahu, Kauai, Maui, Hawai'i)
Rêve Planétaire - Le Tour des Volcans du Monde (4 semaines de découvertes autour du Monde à Hawai'i - Vanuatu - Nouvelle Zélande - Indonésie)
Spécial Volcan Kilauea (expédition éruption volcan et découverte du volcan Kilauea, Hawai'i)
Pele´s Fire and Myths (7 days walking tour exploring Kilauea´s historic eruption sites, Hawai'i)

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Kilauea volcano sat by (C) NASA
Volcan Kilauea assis par la NASA (C)

 

Nouvelles du volcan Kilauea

Kilauea volcano (Hawai'i), activity update: lava lake exposed at Halema'uma'u vent

lundi sept. 08, 2008 00:08 | AUTEUR : PHIL

After several weeks of elevated explosive activity at the summit of Kilauea volcano, the Halema'uma'u vent which opened on March 19 has doubled in size to a current diameter of 65 m (215 ft), allowing scientists hovering above on September 9 the first views of a now-exposed lava lake about 100 m (330 ft) below the vent rim. The lava lake, estimated to be 50 m (160 ft) in diameter, was seen to be roiling, bubbling, and overturning, with its surface level rising and falling as a result of gas pistoning, periodic bursts that release coalescing gas bubbles from beneath the lake's frozen crust in an explosion of lava rock and spatter.

Lava continues to flow underground from Kilauea's summit to its east rift zone, nearing the surface around Pu'u 'O'o vent and the TEB shield but generally flowing through an underground tube system to reach the Pacific Ocean at Waikupanaha. Kilauea continues to experience frequent deflation-inflation events, over 20 since the opening of the Halema'uma'u vent, which periodically disrupt the flow of lava through the tube system and into the ocean before resuming and producing short-lived lava flows.
Actualités précédentes
jeudi, août 21, 2008
HVO reported that during 13-19 August, lava flowed SE through a lava tube system from underneath Kilauea's Thanksgiving Eve Breakout (TEB) and rootless shield complex to the Waikupanaha ocean entry. Earthquakes were in various locations along the Koa'e fault system, S and W of the caldera, beneath the summit, along the S-flank faults, and along the E and SW rift zones. The vent in Halema'uma'u crater continued to produce a predominantly white plume with minor ash content that drifted mainly SW. [details]
Glow from the Halemaumau vent (17 April, 2008)
lundi, avril 21, 2008
Kilauea continues to be active at two locations: At the summit, ash elevated sulfur dioxide emissions continue from the Halema`uma`u vent, accompanied by elevated levels of seismic tremor. At the east rift eruption site, lava is flowing through lava tubes and entering the ocean at the Waikupanaha entries. [details]
jeudi, avril 03, 2008
There are no significant changes at Kilauea volcano, which is active from two locations: at the summit, the new vent in Halema`uma`u crater continues to erupt ash and emit elevated lamounts of sulfur dioxide, accompanied by higher levels of volcanic tremor. At the coast, lava continues to flow into the ocean at the Waikupanaha and Ki ocean entries. [details]
The ash plume from the new Halemau'uma'u vent.
mardi, mars 25, 2008
The new gas vent at Halema`uma`u crater has erupted lava the evening of Easter Sunday into early Easter Monday. The amount of lava erupted from the vent last night was small, but it represents the first lava erupted from anywhere in Halema`uma`u since 1982. Previous eruptions included lava flowing into the crater from fissure eruptions on its southwest rim in 1974 and 1971 and an 8 month eruption in Halema`uma`u in 1967-1968 that created a lake of lava that covered the entire crater floor. ... [details]
jeudi, mars 20, 2008
On March 19, 2008, a small explosion occurred at Halema'uma'u Crater at the summit of Kīlauea Volcano. This is the first explosive event at the summit of Kilauea after almost a century. ... [details]

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