Earthquakes & Volcano

• Active volcano erupts regularly e.g Mount Etna in Italy
• Dormant volcano is a volcano that has not erupted in a long time but can still do so e.g Mount Vesuvius in Italy
• Extinct volcano is a volcano that has not erupted in recent times and will never erupt again e.g Mount Slemish in Co. Antrim
• Volcanoes can make water contaminated making it not suitable for drinking
• Volcanoes can make new job opportunities for people in the tourism industry.
• Faultline is a crack inthe Earth's crust that is prone to earthquakes.
• Focus is the point deep in the Earth's crust where the Earthquakes happen
• Shockwaves/tremors is the waves of energy which spread out from the focus
• Epicentre is the point on the Earth's crust directly above the focus of an earthquake where the most damage occurs
• seismometer/seismograph is the instrument which measures & records the earthquake
• The Richter Scale which tells us the strength of a earthquake it has a range from 1-10
• the moment magnitude scale (MMS) is a scale used particularly for big earthqaukes
• A fold mountain that was made 450 million years ago


  Caledonian
• A fold mountain made from 250 million years ago

  Armorican
• Alipine e.g The Alps


  A fold mountain made in 35 million years ago