Volcanic Eruption Safety Tips
What Is a Volcanic Eruption?
A volcanic eruption occurs when magma from deep within the Earth's mantle forces its way to the surface through a volcano. Eruptions can release lava flows, ash clouds, toxic gases, and pyroclastic flows. They can happen with little warning and pose serious risks to nearby communities, air quality, and the environment.
Early Warning Signs
- Increased earthquake activity near the volcano
- Visible steam or gas emissions from vents
- Ground deformation or swelling around the volcano
- Rumbling or low-frequency sounds from the volcano
- Unusual animal behavior or deaths near the area
Before an Eruption (Prepare)
- Know your evacuation routes and local volcano alert system
- Prepare an emergency kit with food, water, and medications
- Stock N95 or P100 respirator masks to filter volcanic ash
- Keep goggles and long-sleeved clothing to protect from ash
- Learn first aid and identify your local emergency shelter
- Register for local emergency alerts and monitor official updates
During an Eruption (Stay Safe)
- Evacuate immediately if authorities order it
- Wear a respirator mask outdoors
- Stay indoors with doors and windows sealed if not evacuating
- Listen to emergency radio for instructions
- Don't shelter under bridges or in valleys (lava flow paths)
- Don't drive through heavy ash fall
- Don't return home until authorities declare it safe
- Stay upwind to avoid toxic gas clouds
After an Eruption (Recovery)
- Clear ash from rooftops carefully — wet ash is extremely heavy and can cause collapse
- Use only bottled or approved water; volcanic ash contaminates water supplies
- Limit outdoor activity and continue wearing masks while ash is in the air
- Check your home for structural damage before re-entering
- Seek medical attention if you experience breathing difficulties or eye irritation