Forrest Horton

@ABAInternatl Was this recorded? If so, is the recording accessible for non-ABA members?

Defend the Deep: The Promises and Perils of Deep-Sea Mining (webinar) Wednesday, January 8, 2026 | 12:00 pm ET Register (free): americanbar.org/events-cle/mtg… An expert panel offers a primer on deep sea mining, existing legal regimes governing oceans, and propose safeguards.

Core-mantle geochemical exchange made the Quanta Magazine "Biggest breakthroughs of 2025 in Physics" list. I was flattered to be interviewed for their You Tube feature. youtu.be/CPoQkE9KaAY

In a new @ScienceAdvances paper, Asst Prof James Dottin shows Hydrogen may leak from the Earth's core into the mantle. "This means that some the the water you're drinking today might be seeing the surface for the first time since the Earth was formed." #sec-2" target="_blank" rel="nofollow noopener">science.org/doi/10.1126/sc…

Congrats @JonasTheRockGuy for the exciting Geology paper! Protracted mantle heat conduction after lithospheric foundering beneath the Malagasy orogen pubs.geoscienceworld.org/gsa/geology/ar…

Lava flowing from new vent system in this ongoing eruption on #Kilauea's middle East Rift Zone. Lava flowing downslope to brink of Nāpau Crater in channel more than 50 m (about 164 ft) wide, pouring over western cliffs to create lava falls. #HVO overflight video from Sep 19.

Join us for AGU 2024! The IAVCEI Commission on VIPS is sponsoring the session V014: Magma arising: Tracking Magma Supply from Mantle to Surface at Subduction Zones and Beyond. Abstract submission deadline is 31st July (23:59 EDT). More information: vipscommission.org/event/agu-2024…

@BernieM36010785 Unfortunate! That would be interesting

@BernieM36010785 Measuring 3He/4He?

@magmatist @NSF @SZ4D1 Great picture! In the shape of a subduction zone no less...

To all who attended the Workshop on Mantle Supply and Imaging Magmatic Systems—thanks for making it such a blast! Great discussions (and huge momentum I think!) on integrating multidisciplinary approaches to trace magma from the mantle to crust to volcano Thanks @NSF @SZ4D1!

@CailCon Awesome!! Congratulations!

@ISS_Research @lunarloral Safe journey!

@Space_Station Live coverage begins at 8 p.m. ET today, April 5, with farewells and the Soyuz hatch closure. Watch @LunarLoral's return on NASA+ and NASA social media. go.nasa.gov/49suHEB

Space Tomato Gardens 🍅 Bone Loss Studies 🦴 Quantum Science ⚛️ Loral is scheduled to return to Earth tomorrow, Apr 6, after conducting science on @Space_Station for the past several months. Learn more about her experiments on station: go.nasa.gov/43tVfUV

🌋 Rivers of molten lava! Ash so thick it blocks the sun! Chain reaction explosions in the deep sea! Oh… did we have you at “volcano”? 🤭 Join us #OceanEncounters to learn about the fiery forces brewing deep inside the Earth! Register: go.whoi.edu/oe-volcanoes @UNOceanDecade

@Astro_Andreas @esa @esaspaceflight @ESA_EO Can you spot the caldera rim of the Yellowstone supervolcano? (Figure from Lowenstern and Hurwitz, 2008)

I have never associated Saudi Arabia with volcanism, but it has the highest concentration of calderas that I have seen so far on this mission. Calderas are the sunken-in tops of volcanos that appears after an eruption. Is there another place on Earth with a higher number of calderas? Perhaps Lanzarote, where I participated in @esa PANGAEA course. Or perhaps Iceland. Unfortunately, Iceland is too far north to be seen from the ISS. Any other suggestions? If so, let me know and I will try to take some pictures. / Jeg har aldrig forbundet Saudi-Arabien med vulkaner, men det har den højeste koncentration af kalderaer, som jeg har set på denne mission. Kalderaer er de indfaldne toppe af vulkaner, der opstår efter et vulkanudbrud. Er der et andet sted på jorden med et højere antal kalderaer? Måske Lanzarote, hvor jeg deltog i ESA's PANGAEA kursus. Eller måske Island. Desværre er Island for langt mod nord til at kunne ses fra Rumstationen. Har du andre forslag? Hvis du har, så skriv en kommentar, og jeg vil forsøge at tage nogle billeder af det. #Huginn #Volcanoes #PictureFromSpace

@Astro_Andreas @esa @esaspaceflight @ESA_EO Nice! Volc. features are best preserved in arid regions where erosion is slowest. Continental volc. fields also exist across the Sahara and SW North America. Iceland-like volcanism occurs on Sao Filipe, La Palma, and Fernandina islands. And Hawaii: Kilauea, Mauna Loa and Kia!

@lunarloral @Space_Station A geology wish list: Ahyi seamount, Marianas (active submarine eruption causing seawater plume); Ol Doinyo Lengai volcano, Tanzania; Vredefort (S Africa) and Lonar (India) impact craters; Clew Bay drumlins, Ireland; Scablands (E Washington) produced by Missoula ice age floods.

I love geography and maps, and one of my favorite things about living on @Space_Station for six months has been getting to spot something interesting on Earth and then go look it up on the map. Months in, I find it so satisfying to be able to glance out the window and know instantly what part of the world we are flying over - to feel that sense of familiarity with the planet. At the same time, I am always still “discovering” new places. So, in that spirit… Internet, tell me what spots you want to see, and I’ll do my best to find and take photos of them!

@lunarloral Alpenglow on volcanoes!!! Deceptively arid, these volcanoes are unique to ocean worlds with plate tectonics: mineral-bound seawater in the seafloor pulled to depths of ~150 km caused rocks to melt, producing viscous/sticky water-rich magmas that ascended to form stratovolcanoes.

The Coipasa Salt Pan and Wila Pukarani volcano in Bolivia

@lunarloral Beautiful braiding! The circuitous path of the Brahmaputra has puzzled scientists for decades. The E-W trending northern portion probably predates the India-Asia collision and was later captured/redirected southward. Remarkably, this river is older than the Himalayas themselves!

The Brahmaputra River in northeastern India as it flows through Dibru Saikhowa National Park

@astro_marcus @esa @Space_Station @Astro_Andreas @Thom_astro @astro_matthias @CFuglesang @Axiom_Space @astro_slawosz @Astro_Alex @Raph_Astro @AstroSamantha Depends whether there is an electrical engineer onboard :)

An astronaut's perspective.⁣ ⁣ How does this photo make you feel: relaxed, stressed, giddy or wanting to rearrange everything? ⁣ ⁣ 📸: @esa's Columbus lab on the International @Space_Station.

@lunarloral Wow! The most stunning yet! Image 2 appears to be the Panj River on the Afghanistan-Tajikistan border. The mountains in this area may be especially high because, beneath them, the Asian lithosphere is peeling away and sinking (figure from Chapman et al., 2017, GSAB):

Alpenglow: just as magical from space as it is on Earth. Near the Hindu Kush mountain range in Central and South Asia.