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Isobel Yeo

@isobelyeo.bsky.social
349 followers 248 following 55 posts

Marine volcanologist. All opinions my own. She/her.

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Reposted by Isobel Yeo
Mike Clare @mikeaclare.bsky.social · 07/05/2026
Check out our new paper led by Jacob Nash in Nature Comms on how seafloor deposits can help identify the most hazardous marine volcanoes. www.nature.com/articles/s41... @isobelyeo.bsky.social @noc.ac.uk @ukri.org
nature.com
Far-reaching volcaniclastic density current deposits as evidence of explosive marine eruptions - Nature Communications
Volcanic material emplaced onto the seafloor by powerful underwater sediment flows during the largest eruption of the 21st century, Hunga volcano, 2022, enables deposit-based diagnosis of large explos...
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Isobel Yeo @isobelyeo.bsky.social · 13/02/2026
Check out this really great insight into work on board a research vessel and why you should care about hydrothermal systems in volcanoes by @sofiadellasala.bsky.social onboard the @ukri.org vessel RRS Discovery for the NERC funded HYRDOMOX project led by @noc.ac.uk m.youtube.com/watch?v=leZ7...
m.youtube.com
Life in the Field: Exploring the Seafloor
YouTube video by OxfordSparks
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Reposted by Isobel Yeo
Abby @abigaillily.bsky.social · 04/02/2026
Very happy to share our latest paper on Kolumbo volcano! 🌋This research was only possible thanks to IODP, which has allowed for new insights into this highly hazardous volcano!
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Reposted by Isobel Yeo
National Oceanography Centre @noc.ac.uk · 14/01/2026
It was fantastic to host more than 160 delegates to the Volcanic and Magmatic Studies Group (VMSG) Annual meeting at our Southampton site last week! 🌋🌊
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Isobel Yeo @isobelyeo.bsky.social · 09/01/2026
Really enjoyed the @ukiodp.bsky.social Magellan workshop on zero-age crust held @noc.ac.uk. Excellent group with fascinating discussions, expertly led by Michelle Harris and Aled Evans. Very excited for the proposals to come.
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Isobel Yeo @isobelyeo.bsky.social · 08/01/2026
An excellent final @vmsg.bsky.social Annual Meeting Workshop today led by @volcanologist.bsky.social @pyroclasticpete.bsky.social @drnatashadowey.bsky.social on pyroclastic stratigraphies. I learned a lot and there were some great conversations. Thanks to all involved!
People sit at desks in a meeting room watching a presentation. There are large posters showing cliff sections through PDC deposits on the wall.
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Isobel Yeo @isobelyeo.bsky.social · 07/01/2026
Huge congratulations to Jacob Nash from @noc.ac.uk on winning the Bob Hunter Prize for Best Student Oral Presentation at the @vmsg.bsky.social Annual Meeting. Very well deserved and stay tuned for his soon to be published paper on the marine deposits of the Hunga Volcano eruption.
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Isobel Yeo @isobelyeo.bsky.social · 07/01/2026
The end of a great @vmsg.bsky.social Annual Meeting hosted by @noc.ac.uk. Two and a half days of high quality science and still one more workshop to look forwards to tomorrow on pyroclastic stratigraphies led by @volcanologist.bsky.social @pyroclasticpete.bsky.social @drnatashadowey.bsky.social
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Isobel Yeo @isobelyeo.bsky.social · 06/01/2026
What a cracking first day of science presentations at the @vmsg.bsky.social Annual Meeting at @noc.ac.uk Fascinating talks and posters across the sessions. Back today covering magma, eruptive processes and volcanic monitoring among other topics. Photos taken by Dan Bourne.
A selection of photos of people talking at the Vmsg conference at the core workshop and posters across sessions. Also a photo of the sediment deposit left by many flows in the flume at the ice breaker.
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Isobel Yeo @isobelyeo.bsky.social · 05/01/2026
We at @noc.ac.uk are very excited to be hosting the VMSG Annual Meeting which kicks off today with a session on marine volcanism following a morning of fantastic workshops.
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Isobel Yeo @isobelyeo.bsky.social · 07/10/2025
It was a huge privilege to contribute to this plan for the future of marine science infrastructure and the final report is a huge community effort. The UK have long been world leaders in marine hazards research and long may it continue!
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Isobel Yeo @isobelyeo.bsky.social · 30/09/2025
The best thing about this job is that you get to keep learning. Absolutely incredible day looking at landslide and lahar deposits off Etna with amazing INGV scientists and @mikeaclare.bsky.social (who always teaches me things I don’t know about sediments).
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Isobel Yeo @isobelyeo.bsky.social · 30/09/2025
Great to see @mikeaclare.bsky.social @noc.ac.uk quoted in this piece in the Guardian today www.theguardian.com/news/2025/se... about the Hunga Volcano eruption and the subsequent telecommunications outage in 2022.
theguardian.com
Extremely offline: what happened when a Pacific island was cut off from the internet | Samanth Subramanian
A colossal volcanic eruption in January 2022 ripped apart the underwater cables that connect Tonga to the world – and exposed the fragility of 21st-century life
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Isobel Yeo @isobelyeo.bsky.social · 26/09/2025
Check out both a really exciting paper on the Santorini seismic swarm earlier this year from some of my excellent colleagues: www.nature.com/articles/s41... AND a really good write up in National Geographic by @squigglyvolcano.bsky.social: www.nationalgeographic.com/science/arti...
nationalgeographic.com
This year thousands of mysterious earthquakes hit Santorini. Scientists finally know why.
During the quakes, researchers were able to track dangerous magma in real time.
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Isobel Yeo @isobelyeo.bsky.social · 18/09/2025
The Volcanic and Magmatic Studies Group (VMSG) Annual Meeting will be hosted by NOC and the University of Southampton, at our waterfront campus 5th - 7th January 2026. REGISTRATION IS NOW OPEN! Please see the meeting website for details and to register here: noc-events.co.uk/VMSG-volcani...
noc-events.co.uk
Volcanic and Magmatic Studies Group | NOC Events
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Reposted by Isobel Yeo
Rebecca Williams @volcanologist.bsky.social · 18/07/2025
Most people I know got their grants on second submission. This new policy is bonkers and helps no one.
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Isobel Yeo @isobelyeo.bsky.social · 03/07/2025
Really enjoying the “surveying oceanic volcanism & volcanic island geohazards” session at @iavcei.bsky.social 2025. Great talks and lots of fascinating work on volcanic tsunamis. Looking forward to the second half this afternoon.
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Reposted by Isobel Yeo
Rebecca Williams @volcanologist.bsky.social · 02/07/2025
Ahead of the @iavcei.bsky.social 'Challenges and opportunities for women scientists in volcanology Workshop' Thursday evening, I invite people to read our work "Volcanologists—who are we and where are we going?" #IAVCEI2025 link.springer.com/article/10.1...
link.springer.com
Volcanologists—who are we and where are we going? - Bulletin of Volcanology
Equity, diversity and inclusivity (EDI) are principles all scientific groups and organisations should strive to achieve as they secure working conditions, policies and practices that not only promote ...
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Isobel Yeo @isobelyeo.bsky.social · 01/07/2025
A really great end to this lahars focussed mini session at @iavcei.bsky.social by @mikeaclare.bsky.social from @noc.ac.uk presenting work on lahars offshore and their huge sediment loads funded by the Sustainable Blue Economies Program.
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Isobel Yeo @isobelyeo.bsky.social · 01/07/2025
Jeremy Phillips @bristolvolcanology.bsky.social with a fascinating presentation on how important erosion is when modelling lahar related hazards @iavcei.bsky.social So much work still to do to understand the behaviours of lahars on and offshore.
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Isobel Yeo @isobelyeo.bsky.social · 01/07/2025
Great talk by @sofiadellasala.bsky.social looking at hydrothermal records at Santorini in the @iavceisubmarine.bsky.social session. Convincing evidence of vigorous hydrothermal activity in the past preceding eruptions and a great demonstration of why we should look at hydrothermal records.
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Isobel Yeo @isobelyeo.bsky.social · 04/06/2025
Our new paper on volcanoes and the subsea cable network, led by @mikeaclare.bsky.social, is out today in Bulletin of Volcanology. Get it here: link.springer.com/article/10.1...
link.springer.com
Volcanic eruptions and the global subsea telecommunications network - Bulletin of Volcanology
When the first transoceanic telegraph cables were laid in the mid-1800s, rapid communication between continents became possible. The advent of fibre-optic submarine cables in the 1990s catalyzed a glo...
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Isobel Yeo @isobelyeo.bsky.social · 03/06/2025
A great second day at SubOptic 2025, including a fascinating talk by @mikeaclare.bsky.social @noc.ac.uk on the challenges of cable fault attribution and how hazards are not always coincident with events.
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Isobel Yeo @isobelyeo.bsky.social · 02/06/2025
Having a lovely time at SubOptic 2025 in Lisbon this week. Really enjoyed today’s masterclass on fibre sensing - some great reasons to be hopeful for the future of deep ocean measurements.
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Isobel Yeo @isobelyeo.bsky.social · 02/06/2025
We’re hiring! Come and work wit @mikeaclare.bsky.social and me at @noc.ac.uk. We’re recruiting for an open-ended position in marine geohazards. careers.noc.ac.uk/vacancy/rese...
careers.noc.ac.uk
Careers | National Oceanography Centre
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Reposted by Isobel Yeo
Mike Clare @mikeaclare.bsky.social · 20/05/2025
Check out an excellent interview with @isobelyeo.bsky.social @noc.ac.uk on BBC Radio 5 discussing recent eruptions at Axial Seamount, how new crust forms at mid ocean ridges, and a need to monitor submarine volcanoes -from 02:49 onwards www.bbc.co.uk/sounds/play/...
bbc.co.uk
Naga Munchetty - Steffan Powell sits in - BBC Sounds
Steffan Powell features news, experiences, and big name interviews from around the UK.
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Reposted by Isobel Yeo
National Oceanography Centre @noc.ac.uk · 24/04/2025
Tickets are now LIVE for our #OceanOpenDay on #WorldOceanDay (Sunday 8th June)! 🎟️ This free event is perfect for families and learners of any age interested in knowing more about our ocean. Get your FREE tickets here ⏩ www.eventbrite.co.uk/e/national-o...
Ocean Open Day 2025
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Reposted by Isobel Yeo
National Oceanography Centre @noc.ac.uk · 28/04/2025
Scientists investigated hydrothermal venting, from seeps that form underwater lakes of carbon dioxide, to bubbly venting at temperatures up to and exceeding 200ºC. NOC leads expedition to forecast and understand hazards posed by volcanic eruptions 👉 noc.ac.uk/news/scienti...
Hydrothermal vents
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Isobel Yeo @isobelyeo.bsky.social · 30/04/2025
Listen to the much more fun than me @sofiadellasala.bsky.social from @oxuniearthsci.bsky.social talking about our Santorini expedition and her packing challenges here.
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Isobel Yeo @isobelyeo.bsky.social · 29/04/2025
Really enjoyed being interviewed on @bbc5live.bsky.social this afternoon about @noc.ac.uk led @ukri.org funded work on submarine volcanic eruptions. If you want to hear more about underwater robots and my secret lair then give it a listen from about 2hrs 13 minutes in. www.bbc.co.uk/sounds/play/...
bbc.co.uk
Naga Munchetty - 29/04/2025 - BBC Sounds
Naga Munchetty features news, experiences, and big name interviews from around the UK.
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Isobel Yeo @isobelyeo.bsky.social · 22/04/2025
If you’re interested in knowing more about our work in Santorini here is me talking for two and a half minutes about what we’ve been doing and hope to achieve. Put together by our magnificent Comms Team and filmed by the brilliant Dan Bourne. m.youtube.com/watch?v=6jFc... @noc.ac.uk @ukri.org
m.youtube.com
News Splash: Unlocking the Role of High-Temperature Fluids in Explosive Volcanic Eruptions
YouTube video by National Oceanography Centre
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Isobel Yeo @isobelyeo.bsky.social · 21/04/2025
Our recent NERC funded expedition to study hydrothermal interactions with caldera volcanoes is in the news. Check it out here: www.bbc.co.uk/news/article... or from about 15 minutes in here www.bbc.co.uk/iplayer/epis.... @noc.ac.uk @ukri.org
bbc.co.uk
Santorini volcano probed for clues about next big explosion
Scientists are investigating for the first time how dangerous the island's next big one could be.
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Reposted by Isobel Yeo
Mike Clare @mikeaclare.bsky.social · 11/04/2025
Pleased to have contributed to this new report published by UNEP-WCMC that looks at the interactions between subsea cables and the marine environment and opportunities for collaborations between industry and research www.unep-wcmc.org/en/news/keep... @noc.ac.uk
unep-wcmc.org
Keeping connected: submarine communications cables and ocean life - UNEP-WCMC
A new UNEP-WCMC report examines the potential pressures, impacts and opportunities of submarine telecommunications cables on marine biodiversity  Submarine telecommunications cables (hereafter called ...
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Reposted by Isobel Yeo
Mike Clare @mikeaclare.bsky.social · 10/04/2025
Sediment flows from 2022 Hunga eruption travelled >100km to the west, entraining more sediment - revealed by ROV dives, sampling & detailed sediment analysis. New paper led by Marcus Chaknova at UninOregon w @isobelyeo.bsky.social @noc.ac.uk & more agupubs.onlinelibrary.wiley.com/doi/10.1029/...
shorturl.at
How Did Westward Volcaniclastic Deposits Accumulate in the Deep Sea Following the January 2022 Eruption of Hunga Volcano?
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Reposted by Isobel Yeo
Mike Clare @mikeaclare.bsky.social · 04/04/2025
Great to see this paper out based on data acquired by @ukri.org funded research, showing how turbidity currents transport and concentrate microplastics in the deep sea
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Isobel Yeo @isobelyeo.bsky.social · 26/03/2025
Recovering our final OBEM! We’ve deployed and recovered 67 instruments on this expedition and, while you never put anything you’re not willing to lose in the sea, it’s very nice to bring everything home. Special thanks to the crew for their support with operations. @ukri.org @noc.ac.uk
The crew recovering an instrument over the side of the vessel.
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Isobel Yeo @isobelyeo.bsky.social · 15/03/2025
Science is a team sport and we’re not the only people working around Santorini. Today we collected and redeployed two seismometers to assist our colleagues @geomarkiel.bsky.social better monitor recent seismic activity. This is them before they went back into the water. @noc.ac.uk @ukri.org
The seismometers on deck with scientists Gaye Bayrakci and Hannah Zimmer.
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Isobel Yeo @isobelyeo.bsky.social · 15/03/2025
Busy few days! Now we’re sampling the gasses, fluids and rocks of the Kolumbo volcano hydrothermal system to understand how these hydrothermal sites are outgassing the magmatic system. It’s bubbly! @noc.ac.uk @ukri.org
Picture 1: bubbles in the water coming out of a hydrothermal site; 2 - the team in the ROV can at the logging station; 3 - a round piece of hydrothermal chimney samples by the ROV.
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Isobel Yeo @isobelyeo.bsky.social · 09/03/2025
The @ukri.org RRS Discovery looking spectacular against the inside of the Santorini caldera. Incredible day sampling vents at a new site to understand how fluids circulate through a volcano for the @noc.ac.uk led HYDROMOX project.
The RRS Discovery against the background of the Santorini caldera cliffs.
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Isobel Yeo @isobelyeo.bsky.social · 08/03/2025
On International Women’s Day I’d like to take the opportunity to highlight women’s contributions to this project and marine science. This expedition couldn’t run without our geophysicists, geologists, ROV pilots and crew, many of whom are women. They’re inspirational. @noc.ac.uk
The women onboard for the HYDROMOX expedition on the deck of the ship.
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Isobel Yeo @isobelyeo.bsky.social · 07/03/2025
It’s a beautiful day for sampling the fluids that circulate through a volcano with the @noc.ac.uk ROV Isis. @ukri.org
Remotely operated vehicle Isis about to deploy against the background of Santorini on a sunny day.
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Isobel Yeo @isobelyeo.bsky.social · 06/03/2025
ROV is in the water and deploying seismometers to measure fluid flow and earthquakes for the @ukri.org @noc.ac.uk HYDROMOX project. Worked with this ROV on my first expedition in 2008. Still find driving around on the seafloor thrilling.
Inside of the ROV van showing the screens
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Isobel Yeo @isobelyeo.bsky.social · 05/03/2025
Great 24-hours deploying the geophysical equipment that will collect the seismic and electromagnetic data inside and outside the Santorini caldera. This information will help us to map hydrothermal fluid flow and earthquakes for the @noc.ac.uk @ukri.org funded HYDROMOX project. Photo: Dan Bourne
An electromagnetic sensor being deployed over the side of the vessel at night.
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Mike Clare @mikeaclare.bsky.social · 04/03/2025
Excited to be offshore to see the first seafloor instruments being deployed as part of the @ukrio.bsky.social expedition offshore Santorini as part of the HYDROMOX project led by @isobelyeo.bsky.social @noc.ac.uk
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Isobel Yeo @isobelyeo.bsky.social · 02/03/2025
Tomorrow we head to Santorini on RRS Discovery to study volcanic hazards for the @ukri.org @noc.ac.uk HYDROMOX project. So grateful for support from a brilliant science team, officers, crew and our logistics teams and thrilled this expedition, 5+ years in the making, is happening.
RRS Discovery in port at night.
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Isobel Yeo @isobelyeo.bsky.social · 28/02/2025
Cold but productive day sampling fluids from hot springs on the Kameni Islands to complete characterisation of hydrothermal circulation in this amazing volcano for the @noc.ac.uk @ukri.org HYDROMOX project. Couldn’t have asked for a better field team @gemmaportlock.bsky.social and Dr Katie McFall.
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Isobel Yeo @isobelyeo.bsky.social · 27/02/2025
The @noc.ac.uk @ukri.org HYDROMOX project will be in Santorini with RRS Discovery next week, helping to measure seismic activity nearby and investigating fluid circulation at this incredible volcano. Before that, we’ve been sampling vent systems too shallow for the ship - BRR!🥶
Picture of the caldera and a picture of three of the team on the beach
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Reposted by Isobel Yeo
National Oceanography Centre @noc.ac.uk · 19/02/2025
SORTED, a new project enabled by funding from @aria-research.bsky.social, will combine AI, ocean observations and modelling to detect and monitor the signs of Subpolar Gyre collapse. ⚠️ Project lead Dr Alejandra Sanchez-Franks tells us more in #NewsSplash 📺 youtu.be/Fil8oOmdFf4?...
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Isobel Yeo @isobelyeo.bsky.social · 18/02/2025
Great end to the day at Submarine Networks EMEA with @mikeaclare.bsky.social of @noc.ac.uk and the International Cable Protection Committee (ICPC) and John Wrottesley of the ICPC and European Subsea Cable Association discussing unintentional impacts of human activity on marine infrastructure.
Mike giving a presentation and Mike and John in conversation.
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Reposted by Isobel Yeo
National Oceanography Centre @noc.ac.uk · 18/02/2025
Full Ocean Fibre, a new project enabled by funding from @aria-research.bsky.social, will target the use of undersea cables as seafloor sensors to help further our knowledge of the deep ocean. 🔌 Project lead Dr Carl Spingys tells us more in #NewsSplash 📺 youtu.be/avJQYZ61N0A?...
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