Tag Archives: Volcanic ash

Bárðarbunga – Plumbing the depths

The internet has lit up in the last three days or so with people getting (over?)excited about activity at the volcano of Bárðarbunga in Iceland, particularly since the Icelandic Meteorological Office have been gradually ramping up the Aviation Colour Code from green (“normal, non … Continue reading

Posted in Earthquakes, Geochemistry, Geology, Geophysics, Hazard Assessment, Volcanism | Tagged , , , , , , , , | 2 Comments

Interpreting satellite imagery

Sometimes when you see satellite imagery you can be utterly blown away by what you see.  In many of these cases there is no question about what you are looking at. The NASA Earth Observatory has posted a number of … Continue reading

Posted in General, Geology, News, Science, Sedimentology, Volcanism | Tagged , , , , , | 4 Comments

Hazard Assessment Part 3: Ashclouds and Aircraft

Probably the last of these I’ll do for a little while, but perhaps the one with the broadest current public interest. One of the interesting things about the shutting of airspace due to volcanic ash is that – for most … Continue reading

Posted in Education, General, Geology, Hazard Assessment, Media & Perception, Science, Travel, Volcanism | Tagged , , , , , , , , , , , | 1 Comment

Hazard Assessment Part 2: Volcanic flows

Yesterdays post dealt with some of the problems inherent in earthquake hazard assessment, today I’m going to focus on something a little closer to my heart – the problems in assessing volcanic risk.  I will say straight away that I’m … Continue reading

Posted in General, Geology, Hazard Assessment, Media & Perception, Science, Sedimentology, Volcanism | Tagged , , , , , , , , , , | 1 Comment

Humanitarian crisis in Eritrea? The volcano no-one expected.

You would certainly be forgiven for not realising that in the last week there has been a large volcanic eruption going on in North East Africa – its presence in the mainstream news sites has been minimal (if covered at … Continue reading

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The risk of Melbourne-based melancholy

So, next week is the International Union of Geodesy and Geophysics (IUGG) General Assembly.  Held once every 4 years, it’s one of the biggest volcanology and geophysics conferences in the world.  I’m due to be presenting two papers; one to … Continue reading

Posted in General, Travel, Volcanism | Tagged , , , , , | 1 Comment