Radius of the Fresnel zone is given by [math]Rf=(v/2)(t_0/f_\mathrm{dom})^{1/2}[/math] where v: velocity of layer [math]t_0[/math]: two way travel time [math]f_\mathrm{dom}[/math]… Read More
Satellites such as GOCE and GRACE measure the geoid with unprecedented accuracy. Altimeters can determine local surface elevation with millimetre-precision.… Read More
Dante's Peak, one of those disaster movies that you either love or hate. Pierce Brosnan saves a dog from Old… Read More
The shock wave on the Tavurvur volcano in Papua New Guinea is really quite impressive! http://www.youtube.com/watch?v=Hx5UecbuYw8 Read More
When you write about geology you inevitably come across a couple mysteries that are just unsolved. In the Racetrack Playa… Read More
I'm working on a field data set from the Mediterranean Sea. There are many intellectual reasons for working this data… Read More
I just started the end of my journey in university. I registered my Master's thesis. This feels like quite the… Read More
https://www.youtube.com/watch?v=0-shWVW1UBc Today's volcano is featured by a quadcopter. Be sure to check out this amazing footage! from Tumblr Read More
In seismic data analysis a lot of work goes towards getting a good velocity model of the subsurface. We talk… Read More