🧪 Our 2022 discovery of Earth's deepest & 1st known, fresh, #hadal, #submarine #volcanic 🌋 #eruption deposit: a glassy, bubble-rich lava flow at 6100m water depth. Another 1st from our 31-Jan-25 EOS Alvin upgrade article, & a personal favorite dive for me 😃. Funding from #NSF-funded #USONR #NOAA ⚒️🌊