Volcanic activity worldwide 7 Feb 2015: Pacaya volcano, Fuego, Barren Island, Soputan, Villarrica, S...
Samstag Feb 07, 2015 21:00 |
Active lava flow at Soputan volcano (image: newzulu.com)
A new cone has formed around the vent in Villarrica's summit crater seen during an overflight yesterday (image: metalesrojos valpo @met_valpo / twitter)
Suwanose-jima (Ryukyu Islands): An eruption from the volcano was reported this morning by Tokyo VAAC.
Hot spot detected at Barren Island via MIROVA
Soputan (North Sulawesi, Indonesia): The eruption continues at the volcano. It feeds a viscous lava flow about 500 m long on the volcano's upper western flank.
Intermittent explosions and incandescent rockfalls accompany this activity.
Pacaya (Guatemala): Small ash emissions continue, probably from mild, deep-seated strombolian activity in the new pit inside Mackenney crater described a week ago.
Fuego (Guatemala): Explosions remain frequent and often strong, producing ash plumes that rise 1-1.3 km above the crater and are accompanied by shock waves that rattle roof and windows in nearby villages.
Villarrica (Central Chile): Magma has reached the surface of the inner summit crater. Strombolian activity has formed a new small cone containing a small lava lake in its open vent. This followed a strong increase in volcanic tremor to about 20 times background level starting since Thursday. Glow from the volcano's top has become visible at night.
An overflight confirmed the presence of lava inside the deep pit at the summit crater. SERNAGEOMIN raised the alert level of the volcano to yellow.
So far, this activity represents a very typical state of the volcano. If it remains like this, it does not pose significant threats to the surroundings unless activity strongly increases, which could result in the generation of lahars (mud flows due to meltwater from the summit) in particular. These could threaten the areas of the towns of Villarrica, Pucón, Curarrehue and Panguipulli. Chile's civil protection ONEMI has issued a pre-alert, still coded as green, as a precaution.
Barren Island (Indian Ocean): As the Culture Volcan blog pointed out, a weak thermal anomaly was detected on satellite data above the volcano yesterday. The hot spot is weak, but could indicate some sort of activity occurring at the volcano. What could be a plume is visible on other satellite imagery, but for now, there is no confirmation of volcanic activity.
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Etna (Sicily, Italy): The new eruptive phase continues. Dense cloud cover has prevented detailed observations, but from occasional clearings and other observations, it seems that the intense strombolian eruptions are going on from a vent between the old and New SE crater, feeding a lava flow, at least 2.5 km long onto the southwestern slope. ... [mehr]