Big basalt blasts II. Taal

In my last post I introduced the model for a new eruption mechanism/style. I will be referring to these events as big basalt blasts, this is just the silly preliminary name, not its definitive one I hope. So how did it work? I will briefly summarize. First a magma reservoir drains through a lateral eruption…

The Tiger in the Smoke, Taal – The New Decade Volcano Program #8

About 50 km from the capital of Manila (pop 1,652,171, urbanised area 22 million+) lies Taal Volcano, near the middle of the 25 to 30 km wide Taal Caldera which was formed by a series of very large eruptions between 140,000 – 5,380 BP, the last of which has been identified as a VEI 6…