Commission on Tephrochronology
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Commission on Tephrochronology
@cot-iavcei.bsky.social
Since Sept. 7 1961, the Commission on Tephrochronology has been the go-to scientific home for anything tephra-related (i.e., the stuff blown into the air during a volcanic eruption). Join the community, visit our website: https://cot.iavceivolcano.org
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🌋 Hello tephra & volcano fans 🌋

We have some announcements, including THREE tephra sessions at the #EGU2026 and TWO special issues! Check out our flyer below with all the details, and pass it on!
@egu.eu @ingvterremoti.bsky.social @iavcei.bsky.social @tephraportal.bsky.social
🧪⚒️
Have a weird urge to write an abstract over Christmas?

Tephrochronology Beyond Boundaries: Chronology, Correlation, and Innovation in Earth System Studies
Tephrochronology

Keynote: Victoria Smith
Deadline: 15 Jan 2026, 13:00 CET

@oxfordtephra.bsky.social
@egu.eu
@iavcei.bsky.social
Session SSP2.7
meetingorganizer.copernicus.org
December 22, 2025 at 4:52 PM
Just going to repost this - EGU is looking pretty special this year, especially for the tephra fans out there!
#geology #volcano #tephra #egu2026
@egu.eu @iavcei.bsky.social
🌋🧪⚒️
🌋 Hello tephra & volcano fans 🌋

We have some announcements, including THREE tephra sessions at the #EGU2026 and TWO special issues! Check out our flyer below with all the details, and pass it on!
@egu.eu @ingvterremoti.bsky.social @iavcei.bsky.social @tephraportal.bsky.social
🧪⚒️
December 12, 2025 at 2:21 AM
Reposted by Commission on Tephrochronology
#EGU26 is already on its way 🎉!
Abstract submissions are officially open until 15 January 2026, 13:00 CET.

Let the journey begin and submit your abstract NOW!

👉 Visit https://www.egu26.eu/ for more information!
November 27, 2025 at 1:30 PM
📣 🌊🌋 An opportunity to present your research in the "Ash and Archives" session proposed at the 2nd Submarine Volcanism Workshop that will be held next year in October 2026 in Santorini, Greece, and online 📣 🌊🌋

Detailed information in the flyer below 👇
On the behalf of the Organizing Committee, I am thrilled to announce that the 2nd Submarine Volcanism Workshop will be held on 19–22 October 2026 in Santorini, Greece, and online 🌊🌋

📣 Interested in participating?
Please sign up here: lnkd.in/e4-nfpAK
🔎 More information provided in the flyer below 👇
November 26, 2025 at 3:30 PM
🌋 Hello tephra & volcano fans 🌋

We have some announcements, including THREE tephra sessions at the #EGU2026 and TWO special issues! Check out our flyer below with all the details, and pass it on!
@egu.eu @ingvterremoti.bsky.social @iavcei.bsky.social @tephraportal.bsky.social
🧪⚒️
November 20, 2025 at 3:45 AM
🔁📢 Call for papers - JQS Special Issue on distal tephra analysis
Sponsored by IAVCEI Commission on Tephrochronology (COT)
🗓Deadline: 2 Jan 2026
September 1, 2025 at 4:28 PM
Reposted by Commission on Tephrochronology
We are thrilled to announce that the next IAVCEI Scientific Assembly will be held in Costa Rica! 🇨🇷

A heartfelt thank you to everyone who joined us in #IAVCEI2025 in Switzerland. We look forward to seeing you all again in #IAVCEI2029.

Welcome to Costa Rica!
July 4, 2025 at 7:16 PM
Reposted by Commission on Tephrochronology
We are advertising for a 3-yr Senior Research Associate position in Caribbean Volcanic Petrology! 🌋🏝️ Please share with those who might be interested. More details within the link. Advert closing July 17th:

www.bristol.ac.uk/jobs/find/de...

@iavcei.bsky.social @vmsg.bsky.social
June 19, 2025 at 12:29 PM
Reposted by Commission on Tephrochronology
🌋 We are excited to announce the release of the full program for IAVCEI 2025, taking place in just two weeks! 🔥🌍

With this link 👉 e5k.github.io/IAVCEI-SA2025/ you can find the complete program — including keynote lectures, oral and poster sessions, workshops, and social events.
June 20, 2025 at 1:54 PM
Reposted by Commission on Tephrochronology
Next we stop at a favourite: Saskatchewan Crossing. #strataday. Loess, paleosols, and three (!) volcanic ash: Mazama, Mount St Helens Yn and Bridge River. Doesn’t get much better, unless you like glaciers. We finish at Athabasca Glacier. Beautiful but heart breaking in her steady retreat. 🧪⚒️
May 4, 2025 at 1:59 AM
Reposted by Commission on Tephrochronology
April Compilation of Bulletin of Volcanology ! 🌋

We’re excited to share the latest research articles published in April 2025 on the Bulletin of Volcanology! 🔥

🖇 All IAVCEI members enjoy free access to the journal

Check out the full paper list of this month!
👇🏼
May 7, 2025 at 9:13 AM
Big thanks to GEOMAR for hosting us at the Mediterranean Tephra workshop - Stronger Together 🌋 last week. Fantastic talks, including the latest results from IODP Exp. 398
April 28, 2025 at 11:11 AM
A reminder that nominations are open for our executive and location for the next meeting.

Please email [email protected] if you are interested before May 1st.

This is a great opportunity especially for early career researchers- great community and network building!

🧪🌋⚒️
CoT is seeking nominations for our executive and hosts for the next Tephra Conference (2028). Interested? Questions? Check out the flyer. Nominations are open until April 30.
@iavcei.bsky.social @oxfordtephra.bsky.social
@camtephra.bsky.social @tephrotastic.bsky.social @tephraportal.bsky.social 🧪🌋⚒️
April 24, 2025 at 10:29 PM
Reposted by Commission on Tephrochronology
Day 3: We started off the morning with a bonus stop to look at some lovely submarine deposited accretionary lapilli. Check out the beautiful cored acclaps with a pumice centre 🌋
April 9, 2025 at 7:37 PM
CoT is seeking nominations for our executive and hosts for the next Tephra Conference (2028). Interested? Questions? Check out the flyer. Nominations are open until April 30.
@iavcei.bsky.social @oxfordtephra.bsky.social
@camtephra.bsky.social @tephrotastic.bsky.social @tephraportal.bsky.social 🧪🌋⚒️
April 9, 2025 at 5:10 PM
We made it! If you are interested Quaternary geology, archaeology, climate/environmental change and volcanology and how all those things are interconnected by volcanic ejecta, give us a follow. @inquaecr.bsky.social
@iavcei.bsky.social @comvolcseds.bsky.social @iavcei-involc.bsky.social
🧪🌋⚒️
April 9, 2025 at 4:50 PM