Tsunamis
Warning Signs
100

What natural disaster happens before a tsunami?

An Earthquake

100

What is one natural warning sign of a tsunami?

When the ocean level decreases
200

How does a tsunami form?

A tsunami forms when two tectonic plates slip and release a bunch of energy, causing a sudden shake in earth's crust.

300

What is the approximate speed of a tsunami?

500 to 600 MPH (700 to 800 Kilometers per hour)

400

Can a tsunami be more dangerous over shore?

Yes

500

Why can tsunamis travel so far?

They gain speed as they are formed, but lose speed when they get closer to shore.