A few quick updates on some ongoing eruptions for this last Monday of October. Hudson, Chile
The revived Cerro Hudson in Chile
is still rumbling after ending last week by producing at least three vents
on the ice-covered volcano. The plumes seen last week
(that reached as high as 9 km
) look to be mostly steam from the right two plumes, but the far left still looks to be have some ash (see above) - and the grey on the snow and ice would attest to ash. Now, one question I haven't seen an answer is whether the ash is accidental material coughed up in phreatic (steam-driven) explosions or juvenile (new) magma. At this point, my hunch would be accidental, but I've seen no evidence in either direction. The news this morning suggests the number of earthquakes at Hudson have decreased
, but that could be merely a temporary ...
