Stay indoors, close doors, windows and air vents, and caulk them with wet cloths.
Leave fans and air conditioners off to reduce the penetration of ashes indoors.
Keep pets indoors as much as possible.
Stay tuned to the local emergency radio station
Follow evacuation instructions issued by the authorities
Use a face mask (preferably an N95 or FFP2) placed over your mouth and nose to protect your lungs If you must go outside, wear long-sleeved clothing and long pants.
Protect your water supplies from volcanic ash by covering them.
Wear protective glasses and remove contact lenses to avoid corneal erosion.
? Protect your electronic devices by wrapping them in plastic bags.