Choppy ocean, a line of land including a snow-capped peak, with a thick band of clouds

Aleutians mood #ColdCoralsWithChris 🌊

Amlia Island silhouetted along the horizon, ocean in foreground, orange sky, and sun just peaking over the horizon at right

Snow-capped volcano peak in the distance under pink skies, ocean in foreground

We’ve been working in various levels of clouds and fog since I arrived, so what a Saturday treat to wale up to a clear sunrise! #ColdCoralsWithChris #Aleutians 🌊🧪

Dr Chris Kellogg about to climb into the Alvin submersible for a dive (Photo credit Amanda Demopoulos)

Dr Chris Kellogg inside the titanium sphere of Alvin during dive, with rack of oxygen bottles behind her. Entire scene is bathed in dim red light. Photo courtesy of Woods Hole Oceanographic Institution).

Dr Chris Kellogg looking out a porthole on port side of Alvin sphere (Photo courtesy of Woods Hole Oceanographic Institution).

Action shot of Dr Chris Kellogg eating a sandwich while taking notes, inside dim red lighting of Alvin sphere during dive. Photo courtesy of Woods Hole Oceanographic Institute.

Super excited to have gotten to dive in HOV Alvin a 2nd time; first in Atlantic and now in Pacific! Having lunch ~1 mile underwater ✅ #ColdCoralsWithChris 🌊🧪👩‍🔬

Travel coffee tumbler with Kellogg lab sticker showing a rainbow-colored mermaid with DNA helix for tail, next to regular styrofoam cup with sticker design drawn on it with colored Sharpies

Same travel coffee tumbler as last photo, same styrofoam cup but after a trip to over 1600 meters deep on outside of sub during my dive

Before and after pix of my styrofoam commemorative cup (artwork by Lauren Rice bc you know I don’t have those skills)! #ColdCoralsWithChris 🌊🧪

Chris wearing American Society for Microbiology (ASM) sweatshirt , standing in front of the Alvin submersible

Chris wearing American Society for Microbiology sweatshirt while cleaning deep-sea sampling containers

Sorry to be missing #ASMicrobe this year, but thinking of y’all and wearing my “I Have Friends In Small Places” sweatshirt today in solidarity! Have a great conference! #ColdCoralsWithChris

Red panel of switches inside Alvin sub labeled “Emergency Releases”

A rack of 12 green oxygen bottles inside Alvin sub (usually only use 1 per dive but carry plenty extra)

View of port side of Alvin sub interior during my mask fit test, panels of switches above me, as I sit on a bench with my emergency mask on

Close up of me fit-testing my emergency mask inside Alvin sub

Inside Alvin orientation includes all the important switches, multiple communication modes, the oxygen, and fit testing the emergency breathing masks 🌊🧪
#ColdCoralsWithChris

We don’t have a satellite livestream on this expedition, but to get a sense of what it looks like underwater (hint: lots of coldwater corals!) here is some footage from an expedition in the general area last year #ColdCoralsWithChris 🌊🧪🦑 oceanexplorer.noaa.gov/okeanos/expl...

Geology and eruptive history of Bogoslof volcano - Bulletin of Volcanology Bogoslof volcano is a shallow submarine/subaerial volcano in the southern Bering Sea about 100 km west of the community of Dutch Harbor, Alaska. The subaerial parts of the volcano consist of two small...

We completed two submersible dives near Bogoslof Island. This target area was of geologic and natural hazard interest, but we also got some coral samples #ColdCoralsWithChris 🌊🧪 link.springer.com/article/10.1...

Connecting Communities to Ocean Exploration: Outreach from the Aleutian Arc Expedition A USGS-led expedition in the Aleutian Arc off Alaska will provide critical information on energy resources, underwater earthquakes and other hazards, seafloor habitats, and biological resources, inclu...

First blog post of the expedition is up! About community engagement activities in Unalaska #ColdCoralsWithChris www.usgs.gov/centers/wetl...

This morning’s bonus, fur seals swimming around the ship! Video clip courtesy of Lauren Rice, bc I couldn’t be trusted not to drop my new phone overboard 🌊🦑🧪 #ColdCoralsWithChris

View from behind of a woman standing on a ship deck wearing a bright fluorescent yellow float coat with USGS logo on it.

Have very much appreciated this highly visible, warm, floaty (in case of emergency) coat! #ColdCoralsWithChris 🌊🧪👩‍🔬

A crowd of scientists, all in bright orange puffy jumpsuits that have gloved hands that look like lobster claws

Ship life: Survival suit training, lobster claw edition #ColdCoralsWithChris 🌊🧪

Blonde woman in teal sweatshirt taking a selfie with R/V Atlantis ship in the background, port of Unalaska

Expedition logo, designed by Alexis Weinnig, circle with research vessel Atlantis, submersible Alvin, undersea volcano, corals, crab, and sponge

Sailing board for ship, dated June 15, departure time 10am

Leaving Unalaska soon! #ColdCoralsWithChris 🌊🧪

View out airplane window. Ice crystals along bottom, snow-covered volcano peaks visible against cloudy sky

Blonde woman in purple puffer coat standing in front of airport sign saying “Welcome to Unalaska, International Port of Dutch Harbor, #1 Fishing Port in the Nation”

Took more than one try, but we made it from Anchorage to Unalaska to meet the ship. During flight, could see volcano peaks above the clouds! #ColdCoralsWithChris 🌊🧪

Chris Kellogg crouched in front of the submersible Alvin, next to the platform at the front with all the different kinds of sampling gear.

Many days, I wondered if it would actually happen, but the ship has arrived in Unalaska and I get on a plane tomorrow, so we are GO.

And yes, I do my own stunts.

#ColdCoralsWithChris 🌊🦑🧪🧫🧑‍🔬