GD
Geodynamics

Wit & Wisdom

Don’t Stop Me Now: A Fracture Mechanics Perspective on Earthquake Nucleation

Schematic for a possible earthquake nucleation scenario. Inset figure adapted after Lebihain et al. (2021) and McLaskey (2019).

How do earthquakes start? Earthquakes occur when a block of rock rapidly slides past another along an interface or a discontinuity in the medium and release energy in the form of seismic waves. Turns out, the surface of the earth is riddled with a lot of these discontinuities, which we call “faults”. If we plot the locations of earthquakes on a world map (Figure 1a), we will see that they highligh ...[Read More]

The Sassy Scientist – Academic Motion Sickness

The Sassy Scientist – Academic Motion Sickness

The first year of a PhD can quickly shift from an exciting adventure (“Ok I got this“) to an exasperating rollercoaster (“What I am doing here? What if I just move to a husky farm in Canada?“). Marina, has reached that stage and, after having exhausted her patience scrolling through <insert your preferred social media platorm here> in search of threads on how to boost ...[Read More]

Geo-movie: Fire of Love (2022), a love story of Katia, Maurice and volcanoes

Geo-movie: Fire of Love (2022), a love story of Katia, Maurice and volcanoes

Geo-movies are often Sci-Fi movies, which usually borrow disastrous concepts from earth science, and turn them into the end of the world while crystallizing humanity along with it. “Fire of Love”, on the other hand, is a 2022 documentary movie that explores the lives, relationship and careers of legendary volcanologists Katia Krafft and Maurice Krafft. The movie is directed by Sara Dosa, and most ...[Read More]

How we made QUARTETnary – the card game about the geological time scale

How we made QUARTETnary – the card game about the geological time scale

QUARTETnary is an educational card game about the geological time scale. Consisting of 60 beautifully illustrated cards, QUARTETnary explores the events in Earth’s history: from dinosaurs to humans and from the formation of the Alps to the formation of the Himalayas. It was designed by Iris van Zelst (me! Your fabulous former Editor-in-Chief), and illustrated by Lucia Perez-Diaz (also a former edi ...[Read More]