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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)
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Volcan Kilauea assis par la NASA (C)

 

Nouvelles du volcan Kilauea

Kilauea volcano update: Lava flow advances rapidly, could reach Pahoa in 5 days

mercredi déc. 17, 2014 12:33 | AUTEUR : T

Map of the lava flow near Pahoa as of yesterday
Map of the lava flow near Pahoa as of yesterday
HVO reported that the active branch of the June 27th lava flow remains very active and advanced at an average of 285 meters per day.
It is now only about 1.5 km (0.9 mi) from the Pahoa Marketplace, located near the intersection of Highway 130 and Pāhoa Village Road.
"Since this new flow broke out from the lava tube along a crack system on about November 19, its advance rate has varied from less than 100 m/day (110 yd/day) to more than 450 m/day (490 yd/day), averaging nearly 300 m/day (330 yd/day).

From the breakout point in the crack system the flow is now about 8 km (5 m) in length, and has moved along a new calculated steepest descent path based on a 1983 digital elevation model of the ground. The steepest descent path leads to the Pahoa Marketplace. At the average rate of advance of the past week, lava could reach the marketplace and Highway 130 in about 5 days, warranting this Volcanic Activity Notice."
Actualités précédentes
Lava flow map as of yesterday (USGS)
mardi, déc. 16, 2014
The active lava lobe that has been advancing along the northern flow margin of the lava flow that had entered Pahoa in Nov, but then stopped, continues to advance towards the town and is now only approx. 1700 m away from the commercial center of the town. ... [details]
Map of thhe lava flow near Pahoa as of 9 Dec (HVO)
vendredi, déc. 12, 2014
The lava flow continues to advance slowly towards Pahoa, but there is no immediate threat at the moment. ... [details]
Map showing the location of the new lava flow finger headed north (HVO/USGS)
vendredi, déc. 05, 2014
The new lava flow finger from the 27 June flow continues to advance towards Pahoa and is now approx. 4 km (2.5 miles) above the intersection of Pāhoa Village Road and Highway 130, near the Pahoa Marketplace. ... [details]
mercredi, déc. 03, 2014
The new lava lobe continues to advance and widen. As of this morning, it was only 4.3 km (2.7 miles) from Highway 130. A surge in lava supply resulted in an advance rate of 400 m per day! ... [details]
USGS-HVO/NASA image of active flow areas on November 22, 2014.
lundi, nov. 24, 2014
To present, USGS-HVO and County of Hawai`i report that lava has reoccupied the tube system only as far as the cracks near the old geothermal well site (recognized as a clearing in the thicker forest in photographs). From there, it has spilled out and is forming a new flow lobe farther west from the previous one which stopped just short of Pahoa Village Road and that now appears to be hardening without further advance. The current front is now 5.8km/3.6mi upslope from Apa`a St measured in a straight line, which means Pahoa has escaped its most urgent threat. The county is reopening the Pahoa Village Road today, previously blocked off as the power company reenforced their poles with huge piles of rock, which they have now removed again to allow the flow of traffic. While it's possible that the new flow could turn towards the outskirts of Pahoa again, it took the previous flow 7 weeks to reach Apa`a St and it's reasonable to expect a similar timeline again, keeping in mind that another flow front may develop near the breakout site nearby Pu`u Kahauale`a and divert much of the lava that could otherwise head to Pahoa. The next several days of lava activity should give some hint of an answer to the question. Finally, it may be noteworthy that there has been increased earthquake activity south of the caldera, with a 3.6 and 3.3 felt by area residents in the past 3 days. [details]

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