Quick Answer
Staying indoors may be safer than evacuating if the eruption is far away and the ash cloud is the primary hazard, but evacuation is still recommended to avoid pyroclastic flows, lahars, and volcanic gases.
Understanding the Hazards of Volcanic Eruptions
When a volcano erupts, the primary hazards are pyroclastic flows (fast-moving hot ash clouds), lahars (mudflows), and volcanic gases (toxic and corrosive). If you are within 10 kilometers of the volcano, evacuation is the best option. However, if you are farther away, the ash cloud can be a significant hazard.
Assessing the Risk of Staying Indoors
Staying indoors may be safer if the ash cloud is the primary hazard, but only if you have prepared your home with ash-proof windows and doors, and have a reliable air filtration system to remove ash particles. You should also have a supply of food, water, and medications that can last for at least 72 hours.
Preparing for a Volcanic Eruption
If you live in an area prone to volcanic eruptions, it is essential to have a plan in place, including a evacuation route, a communication plan, and a safe place to go. You should also have a volcanic eruption survival kit that includes ash masks, goggles, and a first aid kit. Make sure to stay informed about the eruption through local news and emergency alerts.
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