Disasters and how to avert them

The Asian tsunami offers a glimpse of greater catastrophes to come, says Bill McGuire, one of a team advising Tony Blair on natural hazards

This eruption could put a tsunami in the shade

Supervolcanos are so big they could start another ice age. Bill McGuire on a truly terrifying phenomenon

Reading between the lines

Bill McGuire explains what these spidery lines tell us about the Boxing day earthquake, and how scientists interpret the data

We need a warning system too

A tsunami could also swamp Britain - but we're not prepared

How to measure the size of a volcanic eruption

Bill McGuire looks at a system which weighs erupted mass - in kilograms

Nice day for an eruption

We know that dust from volcanic explosions can chill our climate. Now, Bill McGuire reports, it's becoming clear that weather and changing sea levels can squeeze out lava

When the ground shakes

Predicting earthquakes may be difficult, but preparing for disasters isn't, says Bill McGuire

Will global warming trigger a new ice age?

If climate change disrupts ocean currents, things could get very chilly round here, reports Bill McGuire

Heebie gee-gees

Global geophysical events, such as huge tidal waves or volcanic super-eruptions, could devastate the planet - so why doesn't anybody care?