Volcanic eruption
QUICK ANSWER · START HERE
Follow the local volcano evacuation order and stay out of restricted zones. If ash is falling and you are not told to evacuate, stay indoors with windows and doors closed. Avoid river valleys where volcanic mudflows may travel.
Take it with you. Verify locally.
Downloads open without signup. External references are published material, not live instructions. Save them before an outage.
In immediate danger, contact local emergency services. Current instructions for your location take priority.
Do now.
- 01
Check official monitoring
Use local emergency alerts and the responsible volcano observatory.
- 02
Leave danger zones
Take designated evacuation routes; do not approach the volcano to watch.
- 03
Limit ash exposure
Close outside-air openings and use eye protection and a well-fitting particulate respirator for necessary outdoor movement.
- 04
Keep roads clear
Avoid driving in ash unless necessary; visibility and engines can be affected.
Next steps.
Wait for reentry instructions. Do not climb a roof covered in ash; wet ash can overload structures.
Watch for.
A particle respirator does not protect against volcanic gases.
Sources & context.
Original Osprey Zero summary of the references below. U.S.-based guidance unless noted; check authorities where you are. This page is not a live alert.
Updated 2026-10-02. Recheck official instructions during an active event.