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Information for Shoreline

Volcanic Eruption

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Shoreline has low vulnerability to volcanic hazards. Tephras (ash and the large volcanic projectiles that erupt from a volcano) can potentially cause the most damage. Ash only ½ inch thick can impede the movement of most vehicles and disrupt transportation, communication, and utility systems. Tephra may cause eye and respiratory problems, particularly for those with existing medical conditions. Ash may also clog ventilation systems and other machinery. It is easily carried by winds and air currents remaining a hazard to machinery and transportation long after the eruption.

Gases from volcanic eruptions are usually too diluted to constitute danger to a person in normal health, the combination of acidic gas and ash may cause lung problems. Extremely heavy ash can clog breathing passages and cause death.