Shaky week for volcanoes

We now reached midweek and there has not been much new going on in the volcano world, but some earthquakes happened. One of which was really close to a volcano. Michael Ross informed us that he had a tweet saying something seems to be going on under Miyakejima volcano in Japan? Earthquake swarm in last…

The Decade Volcano Programme

The volcanic eruptions of Mount St Helens in 1980 and Nevado del Ruiz in 1985 made the general public aware of the dangers of co-existing with a large and potentially lethal volcano. It doesn’t take much imagination to see the possibilities of a lateral St Helens-type blast on a population of a great city as…

Earthquake – Focal beach balls

Stand in the place where you live Now face North Think about direction Wonder why you haven’t before Now stand in the place where you work Now face West Think about the place where you live Wonder why you haven’t before If you are confused check with the sun Carry a compass to help you…

Earthquakes – What’s the fuzz?

What is an earthquake? Perhaps the question should have been; when does an earthquake start? For me as a physicist what we normally perceive as an earthquake is just the boring business end of a rather fascinating process, because the earthquake actually starts far back in time. What we normally see and feel as an…