Mengenal Bahaya Vog dan Gas Vulkanik bagi Kesehatan

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• • Vog forms from chemical reaction between sulfur dioxide (SO₂) and oxygen, moisture, and sunlight in atmosphere.
• • Reaction produces aerosols containing fine particles and acid droplets such as sulfates and sulfuric acid.
• • Vog spread depends on wind direction and speed, allowing impact far from eruption center.
• • Data source: United States Geological Survey (USGS).
• • Carbon dioxide (CO₂): colorless, odorless, heavier than air.
• • CO₂ accumulates in low-lying areas during stable atmospheric conditions, causing dizziness, increased heart rate, and death from oxygen deficiency.
• • Sulfur dioxide (SO₂) is main trigger for vog formation.
• • SO₂ causes severe irritation to eyes, skin, and human respiratory tract.
• • Hydrogen sulfide (H₂S) smells like rotten eggs at low concentrations.
• • High H₂S concentrations paralyze human sense of smell, making gas undetectable and lethal.
• • Hydrogen halides (HF, HCl, HBr) dissolve easily in water and trigger acid rain.
• • Hydrogen halides on volcanic ash risk contaminating water sources and agricultural land.
• • Health impact magnitude depends on gas type, concentration level, and exposure duration.
• • Public advised to monitor wind direction during vog events.
• • Public advised to use adequate respiratory protection during vog events.