Free Lessons About Earthquakes, Earth Science, Emergency Preparedness A 7.2 magnitude earthquake hit Turkey yesterday. The death toll has risen to 270 and rescue workers race to free those trapped in the rubble from 80-plus multistory buildings that collapsed in Ecris, Turkey. What causes earthquakes? How can families stay safe? Here are resources to help children learn more about earth science, plate tectonics, the Ring of Fire, geology and emergency preparedness. Read more...