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mardi, mars 25, 2008
 The ash plume from the new Halemau'uma'u vent.
Our website has undergone an update of its design. You can find the content at the same place as before, but we hope that you will find navigation easier. We thank every one for the valuable feedback and input, helping us to improve! ...plus [lire toutes]
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. ...plus
mardi, mars 18, 2008
While lava continues to flow into the ocean, an unusual event is taking place at the summit of the volcano: a new gas vent has opened at the base of Halemaumau crater in the caldera of Kilauea volcano. ...plus [lire toutes]
jeudi, mars 13, 2008
mardi, mars 11, 2008
Lengai's activity has been continuing to increase. Over the past days, several ash eruptions have produced plumes up to more than 10km height, the largest one possibly being on 4 March rising to about 14 km, as evident from satellite data, observations by passing aircraft and spectacular photos taken from the ground posted on Fred Belton's website. ...plus
jeudi, mars 06, 2008
Based on satellite imagery and information from RVO, Bagana volcano has been producing small ash explosions since 3 March.
IG reported steam and ash-and-steam plumes from Tungurahua that rose to altitudes of 5.8-8 km (19,000-26,200 ft) a.s.l. during 27 February - 1 March. Ash plumes drifted NW, W, SW, and SE, ashfall was reported in areas to the SW on 27 February. Lahars or mudflows descended the Mapayacu and Choglontus drainages in the SW, and drainages in the Pampas sector to the S on 27 and 28 February. ...plus
jeudi, janv. 01, 1970
Chiveloutch volcan continue de produire de petites avalanches chauds de son dôme de lave croissante. Basée sur l'interprétation de données sismiques de KVERT, panaches de cendres est peut-être passé à une altitude de 5,6 km (18 400 pieds) d'altitude durant 24-26 février.
jeudi, févr. 21, 2008
During 13-19 February lava-dome growth at Mount St. Helens continued. ...plus
During 13-19 February the lava dome at Soufrière Hills changed very little. Seismic activity was very low and low-level rockfall activity continued. Fumarolic activity on the N and E flanks continued. Active fumaroles were also noted in the Galway's area to the S of the dome. ...plus
jeudi, janv. 01, 1970
8-11 February: Seismic activity at Shiveluch was slightly above background levels and at background levels. ...plus [lire toutes]
jeudi, févr. 21, 2008
Avalanches from lava flows were reported on 6 February on the W flank of Santa María's Santiaguito lava dome complex. ...plus [lire toutes]
Ash plumes from Rabaul caldera's Tavurvur cone rose to an altitude of 2.2 km and drifted NW, N, E, SE, ...plus [lire toutes]
CENAPRED reported that emissions of steam and gas from Popocatépetl were visible during 12-19 February. The plumes contained slight amounts of ash from explosions in the crater.
jeudi, mars 04, 2010
Au cours de la période du 6-19 Février des émissions de panaches fumerolliens de couleurs blanc et bleu issu du cône Mackenney du Pacaya ont atteint une altitude de 2.6-2.7 km, et ont dérivé vers le S, SW, et W. Deux à cinq coulées de lave par jour ont parcouru environ 50-200 m à l'Ouest et NW et rempli l'espace entre le cône Mackenney et le cratère Cerro Chino au N. ...plus [lire toutes]
jeudi, févr. 21, 2008
The VAAC reported an ash plume from Ol Doinyo Lengai was rising to an altitude of 11.6 km at 15 February. ...plus
INGEOMINAS reported that sulfur dioxide plumes from Nevado del Huila ...plus
HVO reported that during 13-19 February activity from Kilauea's fissure segment D was concentrated at the Thanksgiving Eve Breakout (TEB) shield and new satellitic shields to the E and SE. ...plus [lire toutes]
During 6-19 February explosions from Fuego produced ash plumes and fumarolic plumes that rose to altitudes of 4-4.7 km.
Steam and steam-and-ash plumes from Colima were rising to altitudes of 4-4.4 km (13,100-14,400 ft) a.s.l. during 14-19 February. Plumes drifted N, NE, and E.
AVO reported that a minor explosion from Cleveland on 15 February. The Volcanic Alert Level remained at Color Code Yellow.
Scientists from the Universidad de Concepción will install instruments to monitor Callaqui volcano. Local residents reported feeling earthquakes and hearing constant rumbling noises during the previous few weeks. A new eruption in near future is possible.
The USGS reported a diffuse plumes from Anatahan and a increasing seismicity that was followed by new ash and steam plumes in the time of 17-20 February.
Ash and steam-and-ash plumes from Tungurahua were rosing to altitudes of 6-9 km a.s.l. during 12-19 February and drifted mainly NW, W, and NE. During 12-13 and 16 February, incandescence at the summit was ...plus
Explosions were reported in the main crater of Llaima during 8-13 February. Because of the melt water from the lava and glacier interaction the Calbuco River was about 1 m higher than the normal level on 9 February. There were lava flows on the W flank that were 2.5 km long and made channels in the ice. ...plus
mercredi, févr. 20, 2008
A diffuse ash plume from Cleveland was observed during a break in cloud cover on 8 February. Pilots reported an ash plume that rose to an altitude of 6.1 km. Increased activity raised the Volcanic Alert Level to Orange. During 10-11 February, a thermal anomaly was visible on satellite imagery. The Volcanic Alert Level was lowered back to Yellow on 12 February. ...plus [lire toutes]
Seismic tremor levels at Anatahan were relatively low during 8-13 February. On 9 February, a diffuse steam plume that contained ash was observed . The Volcanic Alert Level remained at Orange.
mardi, févr. 19, 2008
The activity at Lengai seems to be increasing. In the past two weeks, explosions have ejected ash plumes rising several kilometers. On 15 Feb., Dutch pilots observed and photographed an eruption plume rising to estimated 12 km (36,000 ft).
jeudi, janv. 01, 1970
Le dôme de lave à l'intérieur du cratère du Chiveloutch continue de croître, produisant de petites aux explosions de cendres modérée parfois associées aux petites coulées pyroclastiques.
jeudi, févr. 14, 2008
Llaima continues to be active. On 6 February, intense Strombolian activity that propelled material 500 m above the summit crater was observed. Ash-and-gas plumes from the activity rose to altitudes of 5.1-5.6 km (16,700-18,400 ft) a.s.l. and drifted SE more than 30 km. Multiple lava flows traveled 0.7-1.5 km W and N and generated steam plumes due to their interaction with a glacier. Activity declined later that day. ...plus
samedi, févr. 09, 2008
The Washington VAAC reported that gas plumes with possible ash content from Santa María's Santiaguito lava on 30 January.
The Tokyo VAAC reported that explosions from Sakura-jima on 3 February produced plumes.
vendredi, févr. 08, 2008
Ash plumes and incandescence were reported from Rabaul´s caldera´s Tavurvur volcano from 31 January to 4 February and hydrogen sulfide gas was smelled.
Gas and steam emissions were reportet from Popocatépetl during 30 January - 5 February and after strong explosions rocks were propelled 300 m from the crater and rolling down in the valleys.
Ash plumes were reported from Fuego that rose to an altitude of 5 km and drifted W on 4 February.
Since October 2007 there are daily eruptions on Batu Tara volcano island that produce ash and gas plumes. There is a continuing activity since today.
There have been reported strong phreatic explosions at Guagua Pichincha volcano on February 1st. There was a increase in activity in the last weeks and it is recommended to stay away from the volcano. ...plus
The USGS reported elevated seismic tremor levels at Anatahan the last week in January until 5 February. The lake in the E crater has disappeared, and steam and sulfur dioxide plumes drifted generally W and SW. An ash plume rose to an estimated altitude of below 2.3 km and drifted W. The Volcanic Alert Level was raised to Watch and the Aviation Color Code was raised to Orange.
mercredi, févr. 06, 2008
 Nature in the volcano of Methana
Recent photos of the St. Maria volcano can be seen at the this homepage: ...plus [lire toutes]
Ash plumes were spotted and rose to altitudes of 5.5-9 km during 23-29 January.
At 23-29 January lava-dome growth at Mount St. Helens continued. A steam plume that rose from the dome and slightly above the crater rim was visible on 25 January.
The lava dome at Soufrière Hills has changed very little, based on visual observations on 23 January. Seismic activity was very low and low-level rockfall activity continued. Fumarolic activity on the N and E flanks also continued, along with active fumaroles in the Galway's area to the S of the dome and W in the Gages Wall area. ( Alert Level remained elevated at 4).
jeudi, janv. 01, 1970
Seismic activity at Shiveluch was slightly above background levels during 18-25 January. Ash plumes rose to an altitude of 4.3 km during 17-18, 20, and 23 January. Fumarolic activity was noted on 19, 20, and 22 January. The Level of Concern Color Code remained at Orange.
mercredi, févr. 06, 2008
24-30 January: White plumes from Rabaul caldera's Tavurvur cone rose to an altitude of 1.5 km and drifted E and NE. Incandescence at the summit was seen at night.
Emissions of steam and gas from Popocatépetl were visible during 23-29 January. On 28 January, an ash plume rose to an altitude ...plus
24 January: White and blue fumarolic plumes were drifting from Pacaya's MacKenney cone to S and SW. Four lava flows traveled about 100 m to the W. The Alert Level was lowered to Green.
23-27 January: Eruptive activity at Llaima continued from the main crater and from multiple areas on the E flank during ...plus [lire toutes]
23-29 January: Activity from Kilauea's fissure segment D was concentrated at the Thanksgiving Eve Breakout (TEB ) shield and satellitic shields to the SE. Lava flew from the tops and flanks of the shields. ...plus [lire toutes]
Strong eruptions were reported at 24 January from Fuego. There were ash plumes produced and shock waves were detected until a distance of 3 km. There were also avalanches of hot lava blocks rolling down the volcano.
There is a increased seismic level reported from Anatahan volcano on January 23 and on January 20-28 there was a sulfur dioxide plume. The volcanic alert level stays at Aviation Color Code at yellow.
There was reported a unusual seismicity south at the Machin volcano dome during 6-8 January 2008. There have been reported also volcano-tectonic seismic signals that show that a volcanic activity may occur soon.
White gas plumes have been reported from Galera´s main crater. Also there have been gas emissions at many points near the crater. Also some impact craters have been spotted. There was one crater with 15 m diameter and 10 m deep. Probably there have been some strong gas (?) explosions.
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