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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.
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.
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.
The eruption began with increased seismic activity, and emission of steam and increasing amounts of ash that are causing severe breathing problems in the area immediately near the volcano. From an airplane observation it is apparent that a small lava lake is accumulating inside the crater, giving concern to the possibility of a sudden outbreak.
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....mehr [alles lesen]
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.
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.
Talang volcano in Indonesia erupted on 12 April, 2005, producing ash clouds of about 1 km height (3,000 ft). Talang volcano is located in Sumatra, just 40 km east of the coastal capital of the West Sumatra province, Padang. It is close to the areas affected by recent large earthquakes, but it is dangerous to say that there is a direct link between those events, since this is not known. Although some relation cannot be excluded, volcanoes and earthquakes have very different dynaics.
For safety reasons and because of the possibility of an intensification of the eruption in the near future, authorities have promted the evacuation of around 25,000 people living in areas immediately close to the volcano.
3 May, 2005:
Canlaon continues to produce mild steam and ash clouds, which rise up to around 5-700 m above the active crater and sometimes causing problems with local air traffic and shutdown of nearby airports.
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.
Source: Colima Volcano Observatory