SUBNAUTICA / EXPLORATION

Radiation Hazard

The Aurora's damaged reactor initially contaminates some nearby waters.

QUICK REFERENCEFirst SubnauticaReviewed 2026-10-28Reference / noindex

OVERVIEW

Understanding Radiation Hazard

The Aurora's damaged reactor initially contaminates some nearby waters.

This is an original reference for the first Subnautica. Your current depth rating, oxygen, available tools and navigation route determine when an objective is practical. Follow actual in-game PDA and Fabricator information for any values that vary by version.

PRACTICAL APPROACH

How to use this information

Use a Radiation Suit and repair the reactor where appropriate.

COMMON MISTAKES

What to avoid

Do not rely on ordinary armor or food to prevent radiation exposure.

CONTINUE ON VOLPEDIA

Related topics and walkthroughs

TIPSBe Careful in Degasi Caves

Abandoned habitats are valuable but often sit in hazardous places.

CREATURESBleeder

A small parasite found in certain hazardous environments, including near the Aurora.

RESOURCESCrystalline Sulfur

A rarer deep-zone resource found around hazardous brine areas.

MODESFreedom Mode

A survival variant that disables hunger and thirst while retaining much exploration and hazard management.

TIPSPrepare Aurora Equipment First

The wreck includes radiation, fire, blocked passages and sealed doors.

EQUIPMENTRadiation Suit

Protective clothing needed for certain irradiated areas around the damaged Aurora.

EXPLORATIONBase Hull Integrity

Habitat parts and depth affect the stress placed on seabase structures.

Back to Survival Systems

Independent Volpedia editorial encyclopedia about the first Subnautica, reviewed 2026-10-28. Unaffiliated with Unknown Worlds Entertainment. Category illustrations are original diagrams, not in-game maps, screenshots or exact creature portraits. No fabricated damage statistics, spawn probabilities or detailed map coordinates. References are documented privately and not shown as outbound research buttons.