If advised to leave do so. If trapped, follow these tips.
No particular room will keep you safe .Shelter under a sturdy piece of furniture, or against an interior wall or doorway away from windows, bookcases, and tall furniture.
Head for an attic or upper story. If there’s time move valuables to upper floors, and fill bathtubs and sinks with water. Position sand bags to keep water away from your home.
Nail the shutters down or cover windows with 1/2 –inch-thick-plywood (tape won’t do the trick) Move to a room in the center of your home with few or no windows.
Draw the blinds and shades to contain breaking glass, unplug appliances, and stay off the phone- the lines conduct electricity. Avoid bathing or running water for the same reason.
Head to the basement. If you don’t have one, huddle in a closet, bathroom, or center hallway on the lowest floor. In a high-rise, pick a hallway in the center of the building.
Camp near the fireplace. If you don’t have one, go to the best insulated room. Close all doors and windows to retain warmth.
No particular room will keep you safe during a volcanic eruption. Be sure to close doors, windows, dampers, and vents to keep ash particles out.