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Karen Fontijn

@volckaren.bsky.social
279 followers 151 following 7 posts

Assoc Prof & Volcanologist at Université libre de Bruxelles | Volcanoes in Africa, SE Asia & S America | Hazards vs. Resources | Science for Development | Runner | She/her

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Reposted by Karen Fontijn
Geology of the Tour de France @geotdf.bsky.social · 05/04/2026
Always wondered why the Flemish hills are so steep? Check out our recipe of how to make a Flemish hill #Geology #RondevanVlaanderen youtu.be/Sq-AvUHGKf4?...
youtu.be
Geology of the Tour of Flanders - how to make a Flemish hill?
YouTube video by Geo-Sports - The Geology of Sports Events
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Karen Fontijn @volckaren.bsky.social · 22/02/2026
This week's @thecontinent.org is on 🔥🌋
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Springer @springer.springernature.com · 27/11/2025
🌋 New study from 'Bulletin of Volcanology': ~50 km dyke intrusions, 300+ M4+ quakes and major ground deformation caused infrastructure damage, underscoring Ethiopia’s seismic–volcanic risk. Highlights the need for stronger monitoring, early-warning systems. @iavcei.bsky.social bit.ly/4roTvYu
Bulletin of Volcanology
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Alessandro La Rosa @alarosa.bsky.social · 26/11/2025
Following the #HayliGubbi eruption, our paper on the Erta Ale dike of Jun-Jul is finally out. InSAR, optical data and seismicity showed the temporal evolution of the intrusion and the interaction of magmatic sources, including a sill inflation in Hayli Gubbi. @earth-science.bsky.social #geoscience
frontiersin.org
Frontiers | Segmented dike intrusion linked to multi-level magma storage during and before the 2025 eruption at Erta Ale (East Africa)
IntroductionDike intrusions can assist continental rifting and plate divergence. However, our understanding of the magma dynamics during diking and the archi...
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julietbiggs.bsky.social @julietbiggs.bsky.social · 25/11/2025
Our preliminary analysis of the satellite observations of the #hayligubbi #eruption is now available online: comet.nerc.ac.uk/event-respon.... Details of the eruption onset, SO2 emissions and precursory deformation.
comet.nerc.ac.uk
Event Response Reports - COMET
25th November 2025: COMET Event Response Report 2.4 – Erta Ale/Hayli Gubbi Purpose/Caveats: This event response report was produced to assist situational awarenessand rapid response efforts. It repres...
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Alessandro La Rosa @alarosa.bsky.social · 25/11/2025
The #HayliGubbi eruption came after a period of unrest that started in June-July 2025 with a large dike intrusion in the southern sector of the Erta Ale rift. Our InSAR study will be out soon but you can have a summary at the link below. @earth-science.bsky.social #geoscience
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derekkeir.bsky.social @derekkeir.bsky.social · 25/11/2025
Hayli Gubbi - some of my photos from the Hayli Gubbi tephra sampling expedition on 24 Nov 2025 from around 10 km north of Hayli Gubbi @sorcerinsar.bsky.social @alarosa.bsky.social @wattsvolcanology.bsky.social @volckaren.bsky.social @sorcerinsar.bsky.social @alarosa.bsky.social
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julietbiggs.bsky.social @julietbiggs.bsky.social · 24/11/2025
Activity at Hayli Gubbi began in July when there was an eruption at Erte Ale. Magma propagated 30 km south passing under Hayli Gubbi. Since then, there has been a small plume, quasi-continuous SO2 emissions and uplift. Details in @uk-comet.bsky.social event response report: tinyurl.com/y3nfdfj8
tinyurl.com
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Karen Fontijn @volckaren.bsky.social · 24/11/2025
The #HayliGubbi #eruption in Afar, Ethiopia, is the first documented eruption at this poorly known volcano. Was it entirely unexpected? Difficult to say - Berhe Goitom and colleagues already reported some seismicity in 2011-2012 so perhaps there was already some geophysical unrest for a while:
share.google
Characteristics of Eritrean Seismicity in 2011-2012: Implications for Rifting Dynamics
Eritrea hosts the final stages of on-land rifting in the East African Rift System (EARS), yet questions remain about how rifting transitions from the Afar Depression to the Red Sea, the final stage of...
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Reposted by Karen Fontijn
Dr. Erik Klemetti Gonzalez @eruptions.site · 23/11/2025
Here's the GVP page of Hayli Gubbi in Ethiopia: volcano.si.edu/volcano.cfm?.... Plume from the eruption can be seen in this Aqua/MODIS image cross the Red Sea to the Arabian Peninsula. #eruption #volcano
Volcanic ash plume from Hayli Gubbi in Ethiopia, November 23, 2025. Credit: NASA/Aqua
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Karen Fontijn @volckaren.bsky.social · 24/11/2025
Afar volcanism is known for its dyke intrusions and lava lake at Erta Ale, but here is an example of what looks like a pretty sizeable explosive eruption at a previously barely studied volcano, Hayli Gubbi 🌋🌋
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Reposted by Karen Fontijn
Univ. Bristol Volcanology Group @bristolvolcanology.bsky.social · 17/09/2025
We are advertising for a 3-year "Senior Research Associate in Volcanic Petrology and Stratigraphy". Part of a Leverhulme-funded interdisciplinary research grant "Volcanic Histories", focused on research in the Eastern Caribbean. Closing: October 15th www.bristol.ac.uk/jobs/find/de...
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EGU Geodynamics Division @egu-gd.bsky.social · 17/09/2025
In academia, excellence appears to come with a price tag. Stresses often normalise certain behaviours such as workaholism. In this week's blog, Katherine Villavicencio writes about the effects of workaholism in academic life, and suggests us: forget the price tag! blogs.egu.eu/divisions/gd...
blogs.egu.eu
The hidden effects of academic excellence: workaholism in Academia
Years have passed since I started my academic career, and I have come to realise that, in a cademia, excellence appears to come with a price tag . Stress and pressure have become commonplace for acade...
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derekkeir.bsky.social @derekkeir.bsky.social · 15/07/2025
If you are interested in the Fentale diking episode then have a read of Prof. Elias Lewi's new paper in Bull. Volc. link.springer.com/article/10.1... @alarosa.bsky.social @sorcerinsar.bsky.social
link.springer.com
Scientific response to the 2024–2025 dyke intrusions in the Fentale-Dofen Region, Ethiopia: geophysical monitoring, surface manifestations, and hazard mapping - Bulletin of Volcanology
In continental rifts, tectonic deformation, magmatic processes, and earthquakes interact dynamically reflecting the crust’s complex response to extensional stress and evolving subsurface and surface c...
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Bipedal Meatbag @bipedalmeatbag.bsky.social · 11/07/2025
Aloha folks! I am on the IAVCEI advisory board and welcome comments you’d like me to anonymously pass along to the executive committee about your #IAVCEI2025 experience (both positive and negative). Having concrete feedback is one of the best ways to ensure each experience is better than the last.
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Graham Leonard @grahamleonard.bsky.social · 29/06/2025
@iavcei.bsky.social made a spreadsheet of tomorrows talks #iavcei2025 - docs.google.com/spreadsheets...
docs.google.com
IAVCEI2025schedule
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Humanists UK @humanists.uk · 21/06/2025
Happy #WorldHumanistDay! Here's one our favourite little definitions of humanism by our Vice President @profaliceroberts.bsky.social
Throughout histoty there have been people who have believed that that this life is the only life we have, that the universe is a natural phenomenon with no supernatural side - using reason and humanitu to guide us... today, poeple who hold these beliefs and valuws are called humanists.' Alice Roberts Scientist amd humanist
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AIV - Associazione Italiana di Vulcanologia @aivulcan.bsky.social · 02/06/2025
On Italy’s Republic Day, Etna isn’t holding back 🌋🇮🇹 Activity started with mild Strombolian explosions that quickly intensified. A small lava flow made its way down the Valle del Bove. A particularly remarkable event just occurred: part of the Southeast Crater collapsed, triggering a PDC
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The Continent @thecontinent.org · 31/05/2025
Our readers are discerning, curious, and globally engaged — just like you. If you know someone who’d appreciate journalism that respects their intelligence and doesn’t waste their time, send The Continent their way. Check out our subscription options (platform not payment).
thecontinent.org
Subscribe | The Continent
Subscribing to quality African journalism is easy and free.
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Olúfẹ́mi O. Táíwò @olufemiotaiwo.bsky.social · 28/05/2025
Rest in peace Ngũgĩ wa Thiong’o www.theguardian.com/books/2025/m...
theguardian.com
Ngũgĩ wa Thiong’o, giant of African literature, dies aged 87
Kenyan writer’s death announced by his daughter, who wrote: ‘He lived a full life, fought a good fight’
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Mount St. Helens Archive @mountsthelens1980.bsky.social · 19/05/2025
#MSH45 | May 19 | AM Dawn breaks over the smoldering volcano, a hulk of its former self. Yesterday morning, a 9,677-foot peak known as the "Fuji of America"—graceful, snowcapped, symmetrical. Today, a shattered crater and seared wasteland for miles north, west, and east.
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Geology of the Tour de France @geotdf.bsky.social · 13/04/2025
No Paris-Roubaix without a geology story! Marjolein Naudé explains in this clip how the Hell of the North froze over and made the muddy, dusty mess we all love so much! And read more in our blog: www.geo-sports.org/2024/geology... youtu.be/R00JSTLw-f0?...
youtu.be
Geology of Paris-Roubaix - When did the Hell of the North break loose?
YouTube video by Geo-Sports - The Geology of Sports Events
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Karen Fontijn @volckaren.bsky.social · 09/04/2025
Interested in #volcano #geology? Check out our chapter on Volcano Stratigraphy and Mapping for the upcoming 3rd edition of the Encyclopedia of Volcanoes! 🌋🌋🌋 eartharxiv.org/repository/v... 👇🏽
eartharxiv.org
Volcano stratigraphy and mapping
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Icevolcanx Ron @jokulhlaup.bsky.social · 01/04/2025
eruption at south end of Sundhnukar now ! #volcanism #icealnd #geosciences from www.youtube.com/watch?v=VjKk...
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Karen Fontijn @volckaren.bsky.social · 29/03/2025
"We are in grave, grave danger of forgetting"
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DORA @dorassessment.bsky.social · 21/03/2025
On this International Day for the Elimination of Racial Discrimination, we plug our “Debiasing Committee Composition and Deliberative Processes”, a 1-pager w/strategies for diversifying perspectives & reducing biases for hiring, promotion, tenure, and funding decisions. sfdora.org/resource/ret...
sfdora.org
Rethinking Research Assessment: Debiasing Committee Composition and Deliberative Processes | DORA
This is part of DORA’s toolkit of resources to support academic institutions that are improving their policies and practices. Find the other resources in the toolkit here. Debiasing Committee Composit...
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Jascha Polet @jascha.bsky.social · 14/02/2025
M6.0 just now in Ethiopia, highest magnitude #earthquake in the swarm up until this point in time. The moment tensor only shows 12% double couple, which commonly means that the earthquake is not caused by rupture on a single flat fault plane (or it could just be poorly determined). 🌋🧪⚒️
Map of earthquake sequence from https://earthquake.usgs.gov/earthquakes/eventpage/us7000pdu6/moment-tensorMoment tensor solution of earthquake from https://earthquake.usgs.gov/earthquakes/eventpage/us7000pdu6/moment-tensor
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Dr. Judith Hubbard @judithgeology.bsky.social · 14/02/2025
🧪⚒️ The seismic swarm in Greece continues - and GPS stations on Santorini show that the island itself is deforming, signaling likely movement of magma deep in the crust. In our latest post, we explore a new detailed seismic catalog and come up with a possible interpretation. Read more:
earthquakeinsights.substack.com
The seismic swarm in Greece gets more complicated
New data reveal unexpected volcano-tectonic interactions
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Prof. Simon Carn @simoncarn.bsky.social · 20/01/2025
Satellite imagery from @planet.com shows increased steaming in the summit caldera of Fentale volcano (Ethiopia) in the last week. Emissions appear confined to topographic lows - perhaps a meteorological effect (temperature inversion?). @davidmpyle.bsky.social @volckaren.bsky.social 🧪
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Finn Illsley-Kemp @seismologyfinn.bsky.social · 13/01/2025
This is a very brave and forthright interview by Prof. Atalay Ayele regarding the recent earthquakes in Ethiopia: www.thereporterethiopia.com/43289/
thereporterethiopia.com
“Nobody Listened To Us”: Geophysics Expert Laments Culture Of Neglect, Warns Quakes Could Grow Worse
Professor Atalay Ayele is the Director of the Institute of Geophysics, Space Science and Astronomy at Addis Ababa University. Holding a postgraduate degree in
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David Pyle @davidmpyle.bsky.social · 03/01/2025
Reports of heightened steam emissions at Dofan volcano, Ethiopia after a notable sequence of earthquakes between Fentale and Dofan, in the Ethiopian rift valley. bbc.com/news/article...
bbc.com
Ethiopia volcano risk causes 'panic' as hundreds evacuate
Tremors have been reported in the surrounding area and steam has been seen rising from the volcano.
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