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John Wilson and Sentry
Frank Spetla
Sesh Velamoor
Graig Sandvigen
Larry Mezzano
Robb Hagg
Skylight into collapse pit
Tube worms and bacterial mats
Octopus on basaltic rubble
Sulfide chimney at the Castle Hydrothermal Field
Glassy pahoehoe flow
Tube worm bush and diffuse flow
Dana Yoerger and John Delaney
Evening Sentry Launch at Axial
Skylight in basalt flow
Sediment ponds bound pillow flows
Pahoehoe flow at Axial
Octopus hidden in basaltic den
Narrow fissure cuts lobate and pillow flow