The Kid Should See This

Why are earthquakes so hard to predict?

In 132 CE, Zhang Heng presented his latest invention: a large vase he claimed could tell them whenever an earthquake occurred for hundreds of miles. Today, we no longer rely on pots as warning systems, but earthquakes still offer challenges to those trying to track them.

ancient earthquake detector
Why are earthquakes so hard to predict? And can we find the early signs that can help warn the population? This TED-Ed lesson by Jean-Baptiste P. Koehl was animated by Cabong Studios.

predicting earthquakes
Next: Making Artificial Earthquakes with a Four-Tonne Steel Ball and how USGS scientists monitor Kilauea Volcano’s ongoing eruptions.

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