Coop's Roadmap Guide to Volcanoes gives driving directions, the date of the most recent eruption and a telephone number for more information for each volcano.
In terms of volcano stability, faulting in the upper edifice could destabilise the volcano, leading to an increased risk of flank or large-scale dome collapse, while compactant deformation deeper in the edifice may emerge as a viable mechanism driving volcano subsidence, spreading and destabilisation.
There is a broad belief that non-scientists lack the detailed knowledge of the geological processes driving volcanoes, or of the precise nature of the hazards related to living near a volcano, which is expected to impact on understandings of the basic risks.
He's at his best when on the road — driving through a volcano-ridden Iceland, flying a decrepit Soviet plane with nine hackers, swimming in the Black Sea with fearless Bulgarian journalists.
The murk is now so bad I almost miss the fact that I'm driving alongside Eyjafjallajökull, the volcano whose eruption paralysed international airspace in 2010.
Allen's group also uses geophysical sensing networks to image the internal 3D structure of the Earth and constrain the driving forces responsible for earthquakes, volcanoes, and other deformation of the Earth's surface.
The Scottish tennis player Andy Murray wrote on Twitter: "Volcano news... we're all in a van driving to Barcelona".
The massive Ollagüe volcano (5,868m) loomed ahead as we approached Hotel Tayka del Desierto, after driving for a while against the flow in a river that followed the course of an old Inca road.
He says that "climate change is driving rapid melting of ice on many volcanoes worldwide, triggering unloading as ice is removed.
24 hours later I was driving north to Mount Baker, a 10,781 foot tall Volcano near the Canadian border.
