EARTHQUAKES AND VOLCANOES

He is an Italian scientists who invented the Modified Mercalli Scale that measures the shaking based on the observation of damage brought by an earthquake.

• Marie Curie
• Alfred Wegener
• Giuseppe Mercalli
• Isaac Newton

The shaking of the earth's crust caused by a sudden release of energy in the rocks underground

• Volcano
• Landslide
• Tsunami

• Earthquake

This is a type of an earthquake that causes movement on the Earth's crust.

• Seismic wave
• Tectonic earthquake

• Land earthquake

• Volcanic earthquake

Two types of earthquake

• Seismic and magnetic earthquakes
• Tectonic earthquakes and volcanic earthquakes
• Surface and underground earthquakes
• Natural and artificial earthquakes

Molten material within the earth

• Magma

• Lava

• Earthquake

• Epicenter

It happens during an earthquake because electric power and gas line breaks

• Tsunamis

• Floods

• Structural collapses

• Fires and power outages.

Huge underwater waves caused when an earthquake occurs underwater

• Tsunami

• Fire

• Landslide

• Destruction of property

It has a wide based with gentle sloping sides.

• Sphere
• Cylinder
• Pyramid
• Shield

They are found when volcanic eruptions vary between quiet and violent or explosive

• Composite volcano

• Active volcano

• Shield Volcano

• Cinder Cone Volcano

Volcanoes that have not shown any signs of activity for a long period of time

• Inactive Volcano

• Active volcano

• Extinct Volcano

• Dormant Volcano