Sometimes, big earthquakes happen every year because the ground is like a spring. When you press it down and let go, it bounces back, and that bounce can be felt as an earthquake. If this happens at the same time each year, maybe something special in the ground’s rhythm causes it to always start bouncing on cue!
Examples
- A spring is pushed down each year and bounces back in the same way.
- It's like when you press a table leg with your foot, it always pops up at the same time.
- A clock ticks every second, earthquakes can tick every year!
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See also
- Why Do Earthquakes Happen in the Middle of the Ocean?
- What are megathrust earthquakes?
- What is megathrust?
- What are submarine earthquakes?
- {"response":"{\"What is the Tohoku earthquake?
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Categories: Environment · earthquake· seismology· tectonic plates· natural cycles· geological phenomena