Protocols for during volcanic eruptions 

-Marine Corps 

Preparation

• Register phones to eMNS (The Marine Corps "Mass Notification System")
• People living near volcanoes are recommended to find out if they are at risk of danger of volcanic eruptions
• They should know excavation zones
• They should have an evacuation plan prepared
• They should have an emergency communication plan in case they are separated from their family
• Stay away from volcano sites that show sign of activity
• Have an emergency kit prepared that includes goggles and breathing masks 

What to do during an eruption 

Basics:

• Stay tuned to radio, TV and eMNS alerts for information and instructions
• Keep car engine off and avoid driving
• Stay inside (if possible)

If told not to evacuate:

• Continue to listen to radio & TV, as an evacuation could still be issued
• Close and lock all outdoor doors and windows
• Turn off all fans, heating and air-conditioning systems
• Gather emergency supplies
• Stay inside in a room with no widows above ground level

If told to evacuate:

• Leave Immediately
• Turn off gas, electricity and water if you have time to do so
• Take your emergency kit
• Follow designated evacuation routes

Protect Yourself:

• Seek Shelter immediately if your are outdoors
• Be aware of mudflows if you are near a a stream
• Stay away from areas downwind of the volcano
• Wear long sleeved clothes
• Wear goggles to protect your eyes
• Wear a mask or damp cloth to cover your face and minimise breathing in ash

What to do after an eruption:

• Stay tuned to radio, tv and eMNS for information and updates 
• Stay away from affected areas until told otherwise
• Be careful entering damaged buildings 

https://www.ready.marines.mil/Stay-Informed/Natural-Hazards/Volcano/#:~:text=The%20danger%20area%20around%20a,or%20more%20from%20a%20volcano.