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Toutes les actualités et mises à jour sur les volcans:

mar., 29 juil. 2008, 16:05
A new eruption is reported from Reventador volcano. The Ecuadorian Institute of Geophysics (Istituto Geofisico, IG) reports eruptive tremor starting on 27 July from 15h00 local time. In the evening of that day, incandscence became visible from the summit of the volcano, indicating lava flows. An ash plume rose to 500-2000m and light ashfall was reported in the area around Olmedo. ...plus [lire toutes]
mar., 29 juil. 2008, 07:16
After several months of quiet, a major collapse of the lava dome of Soufrière Hills took place on 28 July, 2008. ...plus [lire toutes]
jeu., 24 juil. 2008, 12:31
RVO reported that during 12-18 July, ash plumes from Rabaul caldera's Tavurvur cone drifted NW and W. Ashfall was reported in areas downwind including significant accumulation in Rabaul town (3-5 km NW). ...plus [lire toutes]
jeu., 24 juil. 2008, 12:27
On 19 July, activity at Okmok increased as interpreted from seismicity. Possibly, ash plumes rose to altitudes of 7.6-9.1 km (25,000-30,000 ft) a.s.l. The Volcano Alert Level was raised to Warning and the Aviation Color Code was raised to Red. ...plus [lire toutes]
jeu., 24 juil. 2008, 12:19
A new eruption seems to have started at Cleveland volcano on 21 July. AVO raised the Volcano Alert Level as there were reports from pilots and fishing boats in the area, observing a new ash eruption that had started at about noon that day. Pilots reported that an ash-and-steam plume rose to ...plus [lire toutes]
mar., 22 juil. 2008, 12:22
SERNAGEOMIN reported that after increased seismicity at Llaima on 14 July, an ash plume rose to an altitude of 5.6 km (18,400 ft) a.s.l. Less than two hours later, very intense orange and red incandescence was seen through breaks in the cloud cover near the summit and at the base of the W flank. At 1915 a vigorous Strombolian eruption ejected incandescent pyroclastic material from the N vent in the main crater to heights of 500 m above the summit. ...plus [lire toutes]
jeu., 1 janv. 1970, 00:00
L'éruption du 13 mai au volcan Etna fissure continue. La coulée de lave dans la Valle del Bove est encore alimentated, bien que l'intensité des projections des bouches supérieures à 2800 m d'altitude a diminué depuis le 17 Juillet.
mer., 16 juil. 2008, 07:11
image showing the extent of the sulfur dioxide gas cloud from the eruption of Okmok Volcano. The large red mass is from the main explosive phase on 12 July at 2130 UTC and is at an estimated height of 50,000 ft above sea level. The north-south dimension of this cloud is about 850 miles. Current emissions from the volcano are at a lower altitude of approximately 30,000 to 35,000 feet. Other OMI data (not shown) indicate that volcanic ash is mixed with the sulfur dioxide cloud.
Okmok Volcano continues to erupt. Seismicity, though below this weekend's intensity, has remained steady over the last 24 hours. Satellite data continue to show a long (~250 km) plume moving east; the height of the plume is approximately 30,000 ft above sea level.
lun., 14 juil. 2008, 12:09
The strong eruption at Okmok continues based on ongoing seismic activity and satellite observations. Ash emissions continue reaching altitudes of 30,000 - 35,000 ft asl, and are posing a large hazard to all aircraft in the area.
dim., 13 juil. 2008, 07:02
A large explosive eruption at Okmok volcano began at approximately 11:43 AM local time on July 12 and continues. An ash cloud with a top of at least 30,000-35,000 ft. height above sea level is present. ...plus

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