Soufrière Hills century in Montserrat. When pyroclastic flows and mudflows began occurring regularly, the capital, Plymouth, was evacuated, and a few weeks later a pyroclastic flow covered the city in several metres of debris. The first phreatic explosion in this new period of activity occurred on 21 August 1995, and such activity lasted for 18 weeks until it caused an andesitic lava dome formation. This was initially confined by a sector-collapse scar. This period lasted for another 60 weeks, after which there were major dome collapses and two periods of explosive volcanic eruptions and fountain-collapse pyroclastic flows. The explosion blanketed Plymouth, away,
Riding a Black Unicorn Down the Side of an Erupting Volcano While Drinking from a Chalice Filled with the Laughter of Small Children Riding a Black Unicorn Down the Side of an Erupting Volcano While Drinking from a Chalice Filled with the Laughter of Small Children Riding a Black Unicorn Down the Side of an Erupting Volcano While Drinking from a Chalice Filled with the Laughter of Small Children (more commonly referred to by its abbreviated name Riding a Black Unicorn...) is the eighth studio album by dark cabaret singer Aurelio Voltaire, released on September 2, 2011. Beginning with this album, Voltaire would start releasing his material under the moniker Aurelio Voltaire, in order to avoid confusion with other acts also called "Voltaire".