Volcanos

Roundup of Global Volcanic Activity

Karymsky (Kamchatka): (13 Apr) An eruption yesterday evening produced an ash plume that rose to estimated 14,000 ft (4.2 km) altitude.

Dukono (Halmahera): (13 Apr) Ash plumes from stronger (probably strombolian-type) explosions are regularly spotted on satellite imagery by VAAC Darwin. The semi-permanently erupting volcano apparently continues to be in a relatively elevated phase of activity.

Popocatépetl (Central Mexico): (13 Apr) A slight increase of activity (but no significant change) was reported by CENAPRED. During 11-12 April, the volcano had 120 exhalations of small to medium intensity, some of which have been followed by emissions of steam, gas and sometimes small amounts of ash. The most important of these were recorded yesterday morning at 02:19 and at 04:55 h (local time). The latter explosion threw some incandescent fragments to distances of approx. 100 m onto the upper eastern slope.

Momotombo (Nicaragua): (13 Apr) Seismicity in the volcanic chain between Momotombo and Apoyeque volcanoes remains high. Dozends of shallow earthquakes in the magnitude 3-5 range have been occurring daily in a cluster SE of Momotombo and near Apoyeque. There are no reports of unusual activity at either volcano.

Nyamuragira (DRCongo): News started to spread on twitter and other media that a new eruption of the volcano started today, including pictures from the 2010 eruption as (false) evidence. An overflight today by members of Nord-Kivu's government showed only intense degassing from a pit crater (but no lava erupting), although they suggested that "an eruption is imminent". While it is difficult to judge the situation from the current sources available, it seems that the eruption reports are a case of rumour spreading faster than actual evidence.