Liste archivée des actualités:
jeudi, avril 28, 2005
Colima Volcano showed an increase in seismic activity during the last days and several explosions occurred during the past days. According to the Washington VAAC, an explosion on 20 April produced an ash plume to a height of ~6.1 km (~20,000 ft) a.s.l. The activity sparked forest fires on the southeastern slopes of the volcano, but no danger was posed to neighbouring communities.
mercredi, avril 27, 2005
Since February the subterminal south east crater has undergone to several rock slidings of its inner walls and a large collapse pit has formed on the E side of the cone.
mardi, avril 19, 2005
Karthala volcano, a shield volcano on Grande Comore, the largest of the Comoros Islands, 300 km off the east coast of Africa, began to erupt on April 17th.
jeudi, avril 14, 2005
Talang volcano remains active with ash-emissions producing clouds up to 250-300 meters. The dangerous volcano remains under close surveillance and alert level 4 (out of 5) is being maintained. It is possible, or even expected that it will have stronger eruptions soon. Seismicity at the volcano is high....plus
After an increased seismic activity, a small volcanic eruption was observed at Mt. Aso volcano, Japan, in the Kumamoto Prefecture, about 900 km southwest of Tokyo. According to the Fukuoka District Meteorological Observatory, tiny amounts of gray-white volcanic ash fell near the No. 1 crater of the 1,506-meter volcano around 10 a.m. on 14 April, 2005....plus [lire toutes]
Krakatoa volcano in the Sunda Strait between the islands of Java and Sumatra is showing an increased seismic activity as the Indonesian Volcanological Survey reports. Whether eruptive activity is already taking place, is not known at the moment due to bad obvservation conditions, but it is likely that there is or will be activity in the very near future.
mercredi, avril 13, 2005
Tangkuban Parahu, a volcano in west Java very near the regional capital Bandung (2 million inhabitants) might be coming back to life very soon. The Volcanological Survey of Indonesia has raised the alert level and reports strongly increased seismicity, and strong emission of sulphuric gasses since today. Access to the volcano is fobidden.
mercredi, févr. 24, 2010
Des villageois indonésiens dans le village de Bukit Sileh couvrent leur bouche pour se protéger des poussières et cendres crachées par la fumée issue du mont. Talang dans le district de Solok de l'île indonésienne de Sumatra Ouest, le 12 avril 2005
Le volcan Talang en Indonésie est entré en éruption le 12 avril 2005, produisant des nuages de cendres d'environ 1 km d'altitude (3.000 m). Le volcan Talang est situé à Sumatra, à seulement 40 km à l'est de la capitale côtière de la province de Sumatra Ouest, Padang. Il est à proximité des zones touchées par les récents tremblements de terre importants, mais il est dangereux de dire qu'il existe un lien direct entre ces événements, car il n'est pas connue. Bien que quelques rapports ne peuvent être exclus, les volcans et les tremblements de terre ont des dynamiques très différentes.
mardi, avril 12, 2005
3 May, 2005:
samedi, avril 09, 2005
Colima volcano remains at moderate levels of activity. A few explosiones continue to occurr per day, producing minor amounts of ash that do not pose risk to settlements around the volcano, but larger events could occurr at any time.
vendredi, avril 08, 2005
A second date for the geologic walking tour on Santorini is now available: 24 Sep. - 2 Oct. 2005.
mercredi, avril 06, 2005
This image was released by NASA Tuesday April 5, 2005; it shows a thick cloud of ash erupted from the Anatahan Volcano, Mariana Islands (Pacific Ocean). According to the Washington Volcanic Ash Advisory Center, a series of low-level eruptions starting on April 4 have created this plume.
A large explosive eruption occurred at Anatahan volcano, Mariana Islands (Pacific Ocean) at 0300 on April 6 (local time), 1700 April 5 UT. The eruption produced an ash plume that reached the highest altitude thus far during its current eruption - about 50,000 feet (ca. 16 km)....plus [lire toutes]
mardi, avril 05, 2005
Our link section on this website has been opened. So far, only very few links are online, but we hope to gradually fill it with links to interesting websites. If you know of some that you would like to see included in the list, please let us know - you can easily use the suggest-a-link feature to suggest a website.
lundi, avril 04, 2005
CVO (the Cascades Volcano Ovservatory, USGS) reports that the lava dome inside Mt. St. Helens' crater continues slowly to grow. Seismicity is low, and other eruptive activiy is limited to small emissions of steam and volcanic gases, and minor production of ash.
vendredi, avril 01, 2005
VolcanoDiscovery is pround to announce its official membership of the German tour operator association forumandersreisen....plus [lire toutes]
Popocatepetl volcano seen from the west near the city of Puebla, Mexico on March 30, 2005.(AP Photo/Joel Merino)
Popocatepetl volcano, near Mexico City, continues to be active. After its last eruption that had ended in 1927, the volcano woke up from his slumber in 1994 and has since then been active, with changing intensity. At present, it seems to be rather quiet, with an average of 10-20 minor strombolian events per day, that produce nice ash and steam plumes that rise severl 100s of meters. No recent growth of a lava dome has been observed by CENAPRED, the ufficial monitoring organ hosted at the university of Mexico. Although much more violent activity in the near future is unlikely, a safety exclusion zone of 12km around the volcano is maintained.
mercredi, mars 30, 2005
After a slight decrease in activity towards the beginning of March, (visual) lava effusion rates have again increased drastically during the past 10 days. About three times the average volume of lava from Kilauea volcano has been flowing into the ocean, forming a new ocean entry cluster at Kamoamoa. At the time of writing, lava is flowing into the sea at about 10 different points distributed over 3 ocean entry clusters.
Eruptive and seismic activity at Klyuchevsky volcano, neighbour of Sheveluch (also active at the time of writing) has decreased but remains. According to press reports, strong strombolian explosions from the summit crater eject ash and blocks to up to 1000 m above the crater and lava flows are travelling down the upper flanks, interacting with ice and snow, that produce secondary ash clouds.
As the Russian agency Novosti and the Alaska Volcano Observatory report, Sheveluch volcano, Kamchatka (Russia), is remains highly active. After the violent eruption on February 27, 2005, that destroyed the upper parts of the lava dome, thus lowering the total height of the mountain by 200 m, the lava dome has re-grown by more than 50 m during the past 20 days and keeps increasing. The rapid growth, caused by continuing influx rate of fresh magma, triggers frequent hot rockfalls and small pyroclastic flows.
dimanche, mars 27, 2005
On the 26th of March, the Civil Protection authorities have partially re-openend access to Stromboli's summit area, which had formally been off-limits since the eruption and landslide in late December 2002. Access is free until 400m elevation without an authorized guide, and above that it is permitted to visit the summit area if accompanied by an authorized mountain guide, but the stay in the summit area is limited to 1 hour total duration and only until 11pm.
jeudi, mars 24, 2005
The Russian news agency Novosti reports a strong eruption by Sheveluch volcano on March 23, 2005, that destroyed a camp of vulcanologists and the seismic station at Baidarnaya, located eight kilometers from the volcano.
As KVERT (Kamchatkan Volcanic Eruptions Response Team) reports, the eruption at Klyuchevkoy volcano in Kamtchatka has increased dramatically:
mardi, mars 22, 2005
As press reports on March 22, some areas around Mt. St. Helens volcano, that had been closed for visitors after the reawakening of Mt. St. Helens in Oct. 2004 are being reopened, since activity has been drastically decreasing. This includes the Johnston Ridge Observatory, was evacuated on October 2 as volcanic activity increased and now scheduled for reopening on 6th of May...
lundi, mars 21, 2005
Volcanic activity at Kilauea has decreased in late February and early march compared to the levels in eary-mid February, but is still quite high.
Lava falls at the sea entry
A new photo gallery has been added - incudes most recent pictures from the Hawaii volcano expeditions in Feb. 2005!
dimanche, mars 20, 2005
A new section has been opened, giving some exaples of private tour itineraries as well as shorter, individually bookable activities that we can offer you on Hawai'i. Check them out at the private tour proposal page on the Big Island, Hawai'i !...plus
During the past week, lava emission from the last active vent at 2620 m elevation has ceased completely and the effusive eruption that started in early Sept. 2004 is likely to be over.
vendredi, mars 18, 2005
As the volcano observatory at Colima reports, near-constant active Colima volcano has been in a particularly active phases during the past days....plus [lire toutes]
jeudi, mars 10, 2005
On the 8th of March, the 1st eruption of Piton de la Fournaise on La Réunion island, has been declared to be over. For more than a week, no tremor or other signs of eruptive activity have been recorded.
Press photo showing the eruption of Mount St. Helens on 8 March, 2005, sending a plume of smoke and ash nearly 12,000 metres (40,000 feet) into the air(AFP/Getty Images/Craig Mitchelldyer).
Abbreviated from the GVP/USGS Weekly Volcanic Activity Report, 2-8 Mar. 2005:...plus
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