Earthquake Basics
This is the point on Earth’s surface directly above where an earthquake starts.
Epicenter
A tsunami is a series of large ocean waves usually caused by this natural event.
underwater earthquake
A tsunami is most likely when an earthquake happens under this location.
Ocean Floor
The shaking of the ground caused by energy released in Earth’s crust.
Earthquake
These are cracks in Earth’s crust where earthquakes commonly occur.
Faults / Boundary Lines
As a tsunami approaches shore, the wave height usually does this.
Increases in height
Are tsunamis most likely caused by deep or shallow earthquakes?
shallow
Large sections of Earth’s crust that move are called these.
Tectonic Plates
This scale measures the magnitude (energy released) of an earthquake.
Richter scale
Besides earthquakes, tsunamis can also be caused by this type of geologic event.
volcanic eruptions or landslides
After a strong coastal earthquake, you should move to this type of area.
Higher Ground
A unit of measurement to specify the size or intensity of an event.
Magnitude
This instrument is used to measure and record earthquakes.
Seismograph
Tsunami waves can travel across oceans at speeds comparable to this type of vehicle.
Jet Plane
This type of plate boundary is most likely to cause tsunamis.
Colliding Plate Boundary
The height and destructive power of a wave.
Amplitude