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Civil Defense Information – Friday, May 11 at 4:30 PM <br /> <br />The Hawaiian Volcano Observatory has cautioned about the possibility of <br />an explosive eruption at Halemaumau. <br />This is caused by the withdrawal of lava from Halemaumau’s summit lake, <br />which leads to a steam-driven eruption. Such an eruption could generate <br />ash plumes as high as 20,000 feet. The area affected by ash plumes could <br />be as wide as 12 miles. <br />Should this occur, the following are advised: <br /> The danger from this eruption is ash fallout. The major response is <br />to protect yourself from fallout. <br /> <br /> If this event occurs while you are at home, stay indoors with the <br />windows closed. Turn on your radio and listen for updates from <br />authorities. <br /> <br /> If you are in your car, keep the windows closed. Ash fallout may <br />cause poor driving conditions, due to limited visibility and slippery <br />driving conditions. Drive with extreme caution, or pull over and park. <br /> <br /> After the hazard is passed, do check your home, and especially your <br />catchment system, for any impact that may affect your water quality. <br />This is precautionary information for your safety in the event that there is a <br />Halemaumau explosive event. We want everyone in the Volcano area to <br />be ready, and to remain safe. Do keep yourself informed and on the alert. <br />This is your Hawai'i County Civil Defense. <br /> <br /> <br /> <br />