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 Stones Wandering Stone Moving Stones In the end they were just as puzzling. These rocks were moving without any apparent force moving […]

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 explain. The Specs The data set was recorded by TGS and is of brilliant quality. Almost 8km (5mi) in offset over the […]

The end is near! – My Master Thesis

I just started the end of my journey in university. I registered my Master’s thesis. This feels like quite the step and I’m very proud I’ve come so far. Today I start the last chapter of my studies. In half a year's time I'll finish my Master's. Exciting times lie ahead. — Jesper Dramsch (@JesperDramsch) […]

Do you know your seismic velocity?

In seismic data analysis a lot of work goes towards getting a good velocity model of the subsurface. We talk about the seismic velocity. However, this may lead to some serious misconceptions. One step in seismic processing is velocity analysis. We pick the velocity that adjusts our data for the best value. Usually this is […]

Scale matters

zafojones: Petrified wood fossil with opal formed in the growth rings. This looks amazing However, if you look closely, you realize, why scale is important in pictures like this. Can you spot the human fingers in the background? from Tumblr

Snow in Cairo – First in 112 years

If you look at that picture you see the magnificent view of palms in the middle of snow. That is egypt and it’s snowing for the first time in 112 years. Of course didn’t take long for people to wonder if this has anything to do with climate change. http://instagram.com/p/h26ZA0l3DY Is it about climate change? […]