GMPV
Geochemistry, Mineralogy, Petrology & Volcanology

Volcanic hazards

Can human curiosity affect dynamic risk?

and June 1, 2022
Can human curiosity affect dynamic risk?
The photo shows the ancient beach and the ancient shores of the city of Herculaneum, in which the bodies of the inhabitants of Herculaneum were found trying to take refuge (Photo by Elisabetta Billotta).

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]

EGU22: Wednesday highlights

May 25, 2022
EGU22: Wednesday highlights
Photograph of a polished hydrothermal dolomite breccia sample (Centrella et al., 2022)

This Wednesday we are at exactly half time through the congress! Here are some tips for today as one looks forward to a wonderful day of learning and sharing. We start between 8.30 and 11.45 CEST immersing ourselves in the world of metamorphic minerals (session GMPV 7.2– Room D2 https://meetingorganizer.copernicus.org/EGU22/session/41922#Presentations) and geodynamic processes (session GD 6. ...[Read More]

Volcanoes and social media make us (more?) crazy

and April 20, 2022
Volcanoes and social media make us (more?) crazy
South-East Crater of Mount Etna, 13.2.2022. Photo by Daniele Musumeci

Many people are drawn to danger and behaviors that can harm their health or finances. Dangerous activities include the attraction that humans have always had towards natural events, such as volcanic eruptions, or towards gambling, adventure, challenging travels or physical activities without the ability or the necessary preparation. In today’s life many people face risks, however these risks ...[Read More]

An Overview on the 15 Jan 2022 Hunga Tonga-Huna Ha’apai Eruption

February 9, 2022
front_picture_Hunga
Picture taken on 5th June 2017 by Damien Grouille together with Cécile Sabau, during an geological and photographic expedition carried out for the NASA. The shot is done from the summit of Hunga Tonga -Hunga Ha'apai island (HTHH), giving a view to the East and the island of Hunga Tonga. Photo credit: Damien Grouille, CC BY-SA 4.0, via Wikimedia Commons.

Since 15 January 2022, the islands of the Tonga archipelago and surrounding territories have been suffering the effects of what has turned out to be one of the biggest eruptions of this century. The eruption occurred on Hunga Tonga-Hunga Ha’apai, an island created by the emergence of a large submarine volcano. HTHH is located among the ~170 islands of the Kingdom of Tonga and about 65 km nor ...[Read More]