FEMA suggests a few simple steps to protect yourself from volcanic activity
Potentially active volcanoes in the U.S. exist mainly in Hawaii, Alaska and the Pacific Northwest.
With the recent eruption of the Eyjafjallajökull volcano in Iceland, it is important to remember that the United States also has the potential for volcanic activity.
When pressure builds up within a volcano's molten rock, it has the potential to erupt, sending forth lava flows, poisonous gases and flying rock and ash that can sometimes travel hundreds of miles downwind.
Local authorities may not immediately be able to provide information on what is happening and what you should do.
However, you should listen to NOAA Weather Radio, watch TV, listen to the radio or check the Internet often for official news and instructions as they become available.
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