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Seismic waves tell us that something unusual is happening in the lowermost few hundred kilometers of Earth’s mantle. Beneath Africa and the Pacific lie two enormous thermochemical structures known as Large Low-Shear-Velocity Provinces (LLSVPs). These “large blobs” are slower to transmit shear waves, but beyond that, their physical nature remains one of the biggest open questions in deep Earth geod ...[Read More]
Have you ever wondered what common thing connects fault surfaces and their characteristics with your… squeezy sneakers on a wet surface or the required frequent change of your car tyres? Well, the answer is simple. The fundamental principles of stress and friction can significantly cause this behaviour in our everyday lives. However, these two factors can also be responsible for the slip behaviour ...[Read More]
Although often daunting and discouraging, every academic must navigate the inevitable process of peer review. In this week’s post, Jean-Baptiste Koehl, postdoctoral researcher at the University of Oslo (Norway), reflects on what the future of peer review might be. Author disclaimer: The reflections presented here reflect my perspective grounded in my own experience. While peer review is a key mech ...[Read More]
Intense rainfall lasting only a few hours is often enough to trigger natural hazards such as flash floods and landslides, leading to severe damage to infrastructure. These short-lived events are among the most dangerous natural hazards in the Mediterranean region, yet they are also among the hardest to study. Their small spatial scale and brief duration mean that they are often missed or underesti ...[Read More]
Humankind’s development is often associated with facing challenges. The original ideas required to solve new problems keep pushing the power of human creation towards more sophisticated and practical solutions. However, part of the excitement of any challenge comes from the dangers of trying something that nobody has accomplished before. An example of technological advances driven by human a ...[Read More]
January 19th marked the 175th birthday of Dutch astronomer Jacobus Kapteyn. His work and legacy had a profound yet subtle impact on the astronomical community and our understanding of the cosmos. His lasting contributions and methodologies continue to be refined and provide the foundation for ongoing astronomical research and discoveries. After he completed his studies, Kapteyn worked at Leiden Ob ...[Read More]
Before modern instruments, our only clues about past sea events came from written records and folklore. Along the eastern Adriatic coast, stories of sudden floods and “tidal waves” (locally called šćiga) have been passed down for generations. These waves, described as rapid rises and falls of the sea that could flood or empty harbours within minutes, were carved into Adriatic coastal life as rare ...[Read More]
This blog post is part of our series: “Highlights” for which we’re accepting contributions! Please contact Emma Lodes (GM blog editor, elodes@asu.edu), if you’d like to contribute on this topic or others. Interview with Angus Moore, Researcher at the Czech Academy of Sciences, Prague, Czechia. Email: angus.moore@uclouvain.be Questions by Emma Lodes. Can you briefly describe the main objective of ...[Read More]
During the climate negotiations at COP30, the global importance of a warming cryosphere was stressed in various formats. The UNFCCC Conference of Parties (this year’s COP30) marks the yearly global climate negotiations which formed the aim to limit global warming to well below 2 °C (the 1.5 °C target) with the Paris Agreement at COP21 in 2015. These huge conferences of ten thousands of people feel ...[Read More]
This month for GeoTalk we were lucky enough to speak with Anjana Khatwa, the author of a new geoscience book ‘The Whispers of Rock’. Dr Anjana Khatwa is an award-winning Earth Scientist, science communicator, writer, presenter and advocate for diversity in natural heritage spaces. For over twenty years, Anjana has worked as a learning and engagement professional in the natural heritage ...[Read More]
