Geochemistry, Mineralogy, Petrology & Volcanology

Volcanic hazards

I asked ChatGPT to write a blog about lava lakes: here’s what happened

The lava lake of Halemaʻumaʻu at Kilauea, Hawaii

If you’ve not been living under a rock you’ve probably heard of ChatGPT, the AI text generator wowing the internet and striking fear into the heart of exam co-ordinators worldwide. I’ve been meaning to write a blog about lava lakes for a while now, ever since rewatching Werner Herzog and Clive Oppenheimer’s excellent documentary Into the Inferno. But with deadlines looming and lab work and admin c ...[Read More]

Tambora 1815: From eruptive dynamics to the global impact of the eruption – with Jessica Kandlbauer

Panorama Mount Tambora caldera

reading time: 10 minutes The Tambora 1815 eruption: a brief introduction On April 10th, 1815, the Tambora volcano, located on the island of Sumbawa in Indonesia, was responsible for one of the largest eruptions in the last millennium (Stothers, 1984; Sigurdsson and Carey, 1989; Oppenheimer, 2003; Self et al., 2004; Kandlbauer et al., 2013a; Kandlbauer and Sparks, 2014). The eruption had a devastat ...[Read More]

Fagradalsfjall 2021 versus 2022: similarity and differences

Fagradalsfjall 2021 versus 2022: similarity and differences

The Icelandic eruptions of 2021 and 2022 originated in the Reykjanes peninsula, characterized by the Krýsuvík-Trölladyngja system, one of the five volcanic systems present along the peninsula. This peninsula is a leaky transform fault, characterized by episodic rifts and associated volcanism. The last two years have brought about some of the most momentous volcanic eruptions in recent history. The ...[Read More]

Can human curiosity affect dynamic risk?

Can human curiosity affect dynamic risk?

In simple words, the volcanic risk (R) can be defined as R = Value × Vulnerability × Hazard. The value is a figure that varies according to the total number of population and / or infrastructures at risk during a volcanic eruption, vulnerability is the percentage of value at risk for a given volcanic event and the hazard is the probability that a certain place may be affected by a determined hazar ...[Read More]