Global Hazards - Tectonics 1. Geography GCSE OCR B.

What is the name of this type of plate boundary?

• Destructive

• Collision

• Constructive

• Conservative

Which two of these plate boundaries produce volcanoes as well as earthquakes?

• Destructive

• Collision

• Constructive

• Conservative

Which of these is a primary effect of earthquakes?

• Landslide

• Buildings collapse

• Tsunamis

• People lose their jobs

What type of volcano is this?

• Composite

• Shield

• Fissure

• Caldera

What is the maximum value on the Mercalli scale?

• XI

• XII

• XIII

• XIV

What is the name for the type of volcano formed when an oceanic plate is moving over a particularly hot area of the mantle, which creates a super-heated plume of hot magma. Eventually this can 'punch through' the plate leading to volcanic islands appearing?

• Caldera volcano

• Fissure volcano

• Punch though volcano

• Hotspot volcano

Which three of these are real impacts of the Eyjafjallajokull eruption in Iceland in 2010?

• 20 farms were destroyed on Iceland

• Tourism increased to Iceland

• Jokulhlaups destroyed parts of Route 1

• 5000 flights were cancelled

During the Eyjafjallajokull eruption huge plumes of tephra were created which rose 30,000 feet into the atmosphere. What is tephra?

• Fine volcanic dust

• Mudflows

• Bombs of lava

• Hot rocky gas and ash

Which of these is NOT a method of predicting volcanoes?

• Measuring gas emissions

• Seismometer measurements

• Milankovitch cycles

• Thermal scanning

What does mitigate mean?

• Reduce the impact of a hazard

• Increase the impact of a hazard

• Move the impacts of a hazard