Artificial lava meets ice and water

A team of scientists and artists pour molten basalt into ice and water. When artificial lava meets ice, spectacular images are created. See for yourself and marvel at the explanation of F Yeah […]

Continue reading

The subjective science of seismic interpretation

The final step in the work with seismic data is seismic interpretation. In a scientific field called geophysics, interpretation sounds highly subjective; Very different from the usual statistics, ray and wave phenomenae. This […]

Continue reading

Moeraki Boulders, New Zealand

There are a couple of places in this world, I really would like to see. A friend just added the Moeraki Boulders to this list, posting it to facebook. These are spherical boulders […]

Continue reading

New on StackExchange: Temporal Resolution of Seismic data

Radius of the Fresnel zone is given by where v: velocity of layer : two way travel time :dominant frequency in the spectrum This shows that high frequencies give better resolution than lower […]

Continue reading

To what accuracy and precision do we know the volume of the Earth?

Satellites such as GOCE and GRACE measure the geoid with unprecedented accuracy. Altimeters can determine local surface elevation with millimetre-precision. This makes me wonder: to what precision and accuracy can we measure (or […]

Continue reading

Dante’s Peak investigated

Dante’s Peak, one of those disaster movies that you either love or hate. Pierce Brosnan saves a dog from Old Smokey tantrum. In the role of a volcanologist we get quite a bit […]

Continue reading

Fly over Bardabunga

[youtube http://www.youtube.com/watch?v=lR6p_zuPx9Q]

Continue reading

Shock Waves on Tavurvur – Volcano Monday

The shock wave on the Tavurvur volcano in Papua New Guinea is really quite impressive!

Continue reading

A geologic mystery solved! – The sailing stones

When you write about geology you inevitably come across a couple mysteries that are just unsolved. In the Racetrack Playa in Death Valley they have many names for this phenomenon. Racing Rocks Sailing […]

Continue reading

The Showroom – Data for my thesis

I’m working on a field data set from the Mediterranean Sea. There are many intellectual reasons for working this data set. However, there are some motivate my inner child as well, let me […]

Continue reading