Sublevel 7

Research below the thermocline

Into the Abyss

Sublevel 7 is a permanent research installation anchored to the abyssal plain at depths where sunlight has never penetrated. We study chemosynthetic ecosystems, map hydrothermal fields, and document species that have never known a sky.

Pressure Depth

TEMP: 1.8°C SAL: 34.7 PSU DEPTH: 4,287 m PRESSURE: 423.1 MPa O₂: 2.1 ml/L PH: 7.9 TURBIDITY: 0.04 NTU SILICA: 18.2 µM TEMP: 1.8°C SAL: 34.7 PSU DEPTH: 4,287 m PRESSURE: 423.1 MPa O₂: 2.1 ml/L PH: 7.9 TURBIDITY: 0.04 NTU SILICA: 18.2 µM

Research Stations

Four modules operating in permanent darkness.

Habitat

Living quarters for a rotating crew of twelve researchers on six-month deployments.

Bio-Lab

Containment and analysis of extremophiles collected from vent fields and cold seeps.

Pressure Dock

Submersible pressure lock for sample retrieval and external equipment maintenance.

Comms Array

Acoustic modem uplink to the surface relay buoy and global research networks.

Establish Contact

23°28′S 151°53′W — 4,287 m

Bathymetric Sector Theta-4, Abyssal Plain

Reach us via acoustic modem. Response latency: ~8 hours.