Earthquakes, like volcanoes, happen all the time -- but most of them are so minor we can't even feel them. They're also similar to volcanoes in that we can't fully predict them, and scientists are always waiting for the next big one to occur.
Unpredictable forces of nature like tornadoes and hurricanes can have a devastating impact on humans and our environment. Learn how natural disasters work and how science aims to better predict them.
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