From his standpoint, he took photo after photo of one of the most aggressive acts of nature, the red heat of the magma contrasting with the blue and black skies.
But even more commanding than the magma is the dazzling light show that took place above it, with huge amounts of ash and other particles shot by the volcano into the atmosphere, generating enormous amounts of electricity, manifested as mighty bolts of lightning.
This is known as 'a dirty storm'.
