Prof. Val Troll
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magmatroll.bsky.social
Prof. Val Troll
@magmatroll.bsky.social
51 followers 22 following 21 posts
Volcano and igneous petrology professor at Uppsala University, Sweden
Posts Replies Media Videos
Reposted by Prof. Val Troll
pablojglez.bsky.social
It took a lot of effort but finally we are in La Palma!! Exposition about the deployment carried out by our 240 pax @csic.es Canary Islands team (largest Spanish research institution) that got together during the 2021 Tajogaite eruption doing research by sea, land and air. 🌋💪
csic.es CSIC @csic.es · 21d
🌋'Ceniza y lava. Revelaciones científicas junto al volcán'

🖼️ Una exposición de divulgación científica en torno a la erupción del Tajogaite

🔬Se adentra en los trabajos del #CSIC durante la emergencia

📅Hasta el 30 de junio de 2026
👉 http://tiny.cc/ld1w001
Cartel de la exposición Ceniza y lava, en La Palma
December 7, 2025 at 2:01 PM
magmatroll.bsky.social
Large Sulfur Deposit forming on Tajogaite, La Palma:
www.youtube.com/shorts/bUg9f...
VOLCANO Science: Large Sulfur Deposit forming on Tajogaite, La Palma #sulfur #volcano #geology #gas
YouTube video by Val Troll's Volcano Channel
www.youtube.com
December 5, 2025 at 1:36 PM
magmatroll.bsky.social
Frothy Xenolith (Xenopumice) have been found in several volcanoes in the Dessert of Saudi Arabia. What can they tell us about the underlying basement and how magma travels through it? Here our new article summarising our ideas: doi.org/10.1016/j.jv...
Redirecting
doi.org
December 4, 2025 at 2:59 PM
magmatroll.bsky.social
Interested in Mechanical Properties of Pyroclastic Deposits?

Our new Article might be of interest then... Have a Look:
link.springer.com/article/10.1...
December 4, 2025 at 11:47 AM
Reposted by Prof. Val Troll
pablojglez.bsky.social
Nice couple of days at Teide volcano summit 🌋 to understand hydrothermal alteration and associated risks with @magmatroll.bsky.social (Uppsala Univ) and @rottnrock.bsky.social ERC synergy grant

cc @ipna.csic.es @csic.es
October 24, 2025 at 4:46 AM
Reposted by Prof. Val Troll
rottnrock.bsky.social
The ROTTnROCK team investigate Boiling Lake in Dominica! 🇩🇲 🌋
@trwalter.bsky.social
@magmatroll.bsky.social
@arianeloisel.bsky.social
November 9, 2025 at 5:09 PM
magmatroll.bsky.social
*FIRST ERUPTION DRILL on TENERIFE*; How did it go? Interview with Pablo Gonzalez: www.youtube.com/watch?v=bh5X...
*ERUPTION DRILL* on Tenerife; Interview with Dr Pablo Gonzalez (CISIC) #volcano #hazard #drill #lava
YouTube video by Val Troll's Volcano Channel
www.youtube.com
October 14, 2025 at 8:44 AM
magmatroll.bsky.social
Interested in Research on Teide Volcano and Tenerife? A Series of exciting Talks lined up for later this Month: www.youtube.com/watch?v=t7MU...
Ciclo de Conferencias de La Torre de las Nubes | DÍA 1
YouTube video by Volcano Teide
www.youtube.com
October 10, 2025 at 8:42 AM
Reposted by Prof. Val Troll
rocklabstrasbourg.bsky.social
A two part feature!
Lectures and scientific discussions today at the Fakultas Teknik Geologi at Universitas Padjadjaran and the Politeknik Geologi & Pertambangan AGP! 🌋
@magmatroll.bsky.social
September 4, 2025 at 3:43 PM
magmatroll.bsky.social
From LAVA Berm to GRINDAVIK and Back; April 2025; Feb 2024, and Jan 2024 Lava Fields, Iceland:
www.youtube.com/watch?v=lSp0...
From LAVA Berm to GRINDAVIK and Back; April 2025; Feb 2024, and Jan 2024 Lava Fields #volcano #drone
YouTube video by Val Troll's Volcano Channel
www.youtube.com
August 22, 2025 at 2:09 PM
Reposted by Prof. Val Troll
rottnrock.bsky.social
@rottnrock.bsky.social PI @claireharnett.bsky.social receiving the George Walker award! 🥳
@iavcei.bsky.social
July 18, 2025 at 2:02 PM
magmatroll.bsky.social
Tajogaite Crater Complex on La Palma, Canary Islands, almost 4 years after the Eruption. Have a Look:
June 24, 2025 at 8:23 AM
magmatroll.bsky.social
Mark those Dates:
June 2, 2025 at 12:56 PM
Reposted by Prof. Val Troll
rottnrock.bsky.social
The ROTTnROCK general assembly in Sweden 🇸🇪 has now come to a close! Amazing few days discussing all things rotten, and at a great location!
@magmatroll.bsky.social
@rocklabstrasbourg.bsky.social
@claireharnett.bsky.social
@trwalter.bsky.social
Next one to be held in Strasbourg! 🇫🇷
May 28, 2025 at 3:14 PM
Reposted by Prof. Val Troll
arianeloisel.bsky.social
🚂🌱 On the train journey back from Sweden 🇸🇪 to Strasbourg 🇫🇷 after a fantastisk ROTTnROCK annual general assembly, filled with inspiring talks 🌋.
Huge thanks to the Uppsala team (@magmatroll.bsky.social) for the top-notch organisation 💯
@rottnrock.bsky.social
@rocklabstrasbourg.bsky.social
🚆🇸🇪🇩🇰🇩🇪🇫🇷 Ben De Jarnatt (GFZ) presenting his PhD work 🧪 🇸🇪 🇸🇪🏰
May 28, 2025 at 6:33 PM
Reposted by Prof. Val Troll
rottnrock.bsky.social
Ariane Loisel @arianeloisel.bsky.social testing the strength of the outcrops at Mombacho 🌋🇳🇮 we aim to make a 3D model of the volcano to investigate stability
@claireharnett.bsky.social
May 12, 2025 at 12:40 PM
Reposted by Prof. Val Troll
rottnrock.bsky.social
Steamy! Active fumaroles at Mombacho volcano in Nicaragua 🌋🇳🇮
May 14, 2025 at 2:24 PM
Reposted by Prof. Val Troll
trwalter.bsky.social
3D scanning of alteration rock samples from volcanoes. It is part of the ERC project RottNRock!
April 1, 2025 at 1:33 PM
magmatroll.bsky.social
Interested in Ocean Island Petrogenesis? Have a Look at our new paper on El Hierro led by Claudia: link.springer.com/article/10.1...
Mush system heterogeneities control magma composition and eruptive style on the Ocean Island of El Hierro, Canary Islands - Contributions to Mineralogy and Petrology
The study of recent eruptions in Ocean Islands (OIs) provides a unique window into the magma dynamics governing their plumbing systems and the mechanisms leading to eruptions. Here we present an integ...
link.springer.com
April 28, 2025 at 6:42 AM
magmatroll.bsky.social
Quick Update on latest Iceland Eruption availabe here: www.youtube.com/watch?v=ubAa...
Eruption #11 on the Reykjanes Peninsula (1/4/2025): Can Grindavick be saved? #lava #hazard #volcano
YouTube video by Val Troll's Volcano Channel
www.youtube.com
April 2, 2025 at 9:36 AM
Reposted by Prof. Val Troll
magmatroll.bsky.social
Join the RottnRock team and work with us on Hydrothermal Processes and associated Volcanic Hazards at Uppsala. Two postdoc positions have just opened: uu.varbi.com/en/what:job/...
2 Postdoctoral positions in hydrothermal processes in volcanic systems
2 Postdoctoral positions in hydrothermal processes in volcanic systems Are you interested in working with volcanic hazards associated with hydrothermal alteration with the support of competent and fri
uu.varbi.com
March 28, 2025 at 11:29 AM
Reposted by Prof. Val Troll
rocklabstrasbourg.bsky.social
Amazing altered samples from Las Cañadas caldera in Tenerife! 🌋🤩 @rottnrock.bsky.social @trwalter.bsky.social @magmatroll.bsky.social @claireharnett.bsky.social
March 28, 2025 at 4:13 PM
magmatroll.bsky.social
Join the RottnRock team and work with us on Hydrothermal Processes and associated Volcanic Hazards at Uppsala. Two postdoc positions have just opened: uu.varbi.com/en/what:job/...
2 Postdoctoral positions in hydrothermal processes in volcanic systems
2 Postdoctoral positions in hydrothermal processes in volcanic systems Are you interested in working with volcanic hazards associated with hydrothermal alteration with the support of competent and fri
uu.varbi.com
March 28, 2025 at 11:29 AM
magmatroll.bsky.social
TAMBORA ERUPTION 1815 and the Year without a Summer: Here a little Summary: www.youtube.com/watch?v=g-H-...
Mount Tambora Massive Eruption That Caused The Year Without a Summer
YouTube video by JustAs it is
www.youtube.com
February 28, 2025 at 12:58 PM
magmatroll.bsky.social
*Join us at Goldschmidt - Session 4c Recent Volcanic Eruptions*

Session: 04c - Taking the pulse of hazardous eruptions; High resolution and syn-eruptive analyses of recent volcanic events

Submit your abstract and find out more at: conf.goldschmidt.info/goldschmidt/ 2025/meetingapp.cgi
February 21, 2025 at 10:25 AM