Worldwide Volcano News and Updates:
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Mon, 22 Sep 2008, 10:58
The eruption which had started on 10 May this year, still continues with weak emission of lava from the fissure vents east of SE crater at 2900 m a.s.l. ...more
- More about Etna volcano
Mon, 22 Sep 2008, 10:51
A new eruption started at Piton de la Fournaise volcano at 15h30 local time on Sep 21, 2008. ...more
- More about Piton de la Fournaise volcano
Sun, 14 Sep 2008, 21:43
Based on SIGMET reports and pilot observations, the Buenos Aires VAAC reported that during 5-6 September ash plumes from Ubinas rose to altitudes of 5.5-6.4 km (18,000-21,000 ft) a.s.l. and drifted NE and SE. Geologic Summary. A small, 1.2-km-wide caldera that cuts the top of Ubinas, Peru's most active volcano, gives it a truncated appearance. Ubinas is the northernmost of three young volcanoes located along a regional structural lineament about 50 km behind the main volcanic front of Peru. The upper slopes of the stratovolcano, composed primarily of Pleistocene andesitic lava flows, steepen to nearly 45 degrees. The steep-walled, 150-m-deep summit caldera contains an ash cone with a 500-m-wide funnel-shaped vent that is 200 m deep. Debris-avalanche deposits from the collapse of the SE flank of Ubinas extend 10 km from the volcano. Widespread Plinian pumice-fall deposits from Ubinas include some of Holocene age. Holocene lava flows are visible on the volcano's flanks, but historical activity, documentedsince the 16th century, has consisted of intermittent minor explosive eruptions.
- More about Ubinas volcano
Sun, 14 Sep 2008, 21:30
The IG reported that clouds mostly prevented visual observations of Tungurahua during 3-9 September. On 3 September, a small lahar carried blocks down river drainages to the NW. Steam plumes rose 200 m above the crater on 6 September. On 8 September, a lahar descended a drainage to the S and carried blocks up to 50 cm in diameter.
- More about Tungurahua volcano
Sun, 14 Sep 2008, 21:29
Based on reports from JMA, the Tokyo VAAC reported explosions from Suwanose-jima during 5-7 September. Resultant plumes rose to altitudes of 1.5-1.8 km (5,000-6,000 ft) a.s.l. Plumes drifted E on 5 September.
Sun, 14 Sep 2008, 21:24
MVO reported that during 29 August-5 September, data suggested that the W side of the Soufrière Hills lava dome continued to grow. Lahars and rockfalls dominated the activity. Lahars likely descended the Tar River valley on 29 and 31 August. On 1 September, a lahar descended the Belham River valley to the NW; the event lasted approximately 50 minutes. A new vent on the NW part of the lava dome, a little further N of the previous Gages vent, was observed during an overflight on 4 September. The smell of volcanic gases was occasionally noticed when the wind blew N and NE. The Hazard Level remained at 3.
- More about Soufriere Hills volcano
Sun, 14 Sep 2008, 21:23
KVERT reported that seismic activity at Shiveluch was slightly above background levels during 29 August-5 September. Gas-and-steam plumes with a small amount of ash were generated from avalanches on 29 and 30 August and rose to an altitude of 4 km (13,100 ft) a.s.l. Analysis of satellite imagery revealed a daily thermal anomaly on the lava dome. The Level of Concern Color Code remained at Orange.
- More about Shiveluch volcano
Sun, 14 Sep 2008, 21:21
Sun, 14 Sep 2008, 21:11
It was reported that ash plumes from Rabaul caldera's Tavurvur cone continued to be emitted during 1-8 September. Ashfall was also reported in areas downwind. Ash accumulation in Rabaul Town was clear in mid-to-late July and in August; fresh ashfall and re-suspended ashfall due to winds and cars caused "unpleasant" conditions. During 1-6 September, conditions improved due to decreased ashfall, changes in wind patterns, and light rains that inhibited ash re-suspension. Continuous incandescence at the summit was observed, and roaring and rumbling noises were heard. Explosions also ejected incandescent lava fragments. ...more
Sun, 14 Sep 2008, 21:08
There was reported that a seismic crisis at Piton de la Fournaise during 8-9 September was characterized by hundreds of earthquakes. The Alert Level was not changed.
- More about Piton de la Fournaise volcano