First look at SO₂ in the Jan 15 #eruption cloud measured by @eumetsat MetOp/GOME-2. So far, the SO₂ columns do not appear to be extreme; generally <20 Dobson Units (DU). For a Pinatubo-scale event we'd expect SO₂ columns >100 DU. More data soon.
Source: https://t.co/B7OcmWaX4Q pic.twitter.com/sWEyHSxGjb

— Prof. Simon Carn (@simoncarn) January 16, 2022