Measurement and Prediction of Volcanoes (Leaving Cert Geography): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
Which volcano eruption was successfully predicted in 1992, saving thousands of lives?
Which volcano eruption was successfully predicted in 1992, saving thousands of lives?
Mount St Helens
What causes the increase in seismic activity beneath a volcano before an eruption?
What causes the increase in seismic activity beneath a volcano before an eruption?
Tectonic plate movement
What instruments do scientists use to measure and record earthquakes beneath volcanoes?
What instruments do scientists use to measure and record earthquakes beneath volcanoes?
Barometers and thermometers
How close must seismometers be positioned to a volcano's vent for effective monitoring?
How close must seismometers be positioned to a volcano's vent for effective monitoring?
Within 5 kilometres
What is ground deformation in volcanic monitoring?
What is ground deformation in volcanic monitoring?
Soil erosion around the volcano
What happens to volcanic mountain peaks shortly before an eruption?
What happens to volcanic mountain peaks shortly before an eruption?
They collapse inward
What device functions like a carpenter's spirit level to monitor volcanic slope changes?
What device functions like a carpenter's spirit level to monitor volcanic slope changes?
GPS satellite
How do EDM devices detect volcanic expansion or contraction?
How do EDM devices detect volcanic expansion or contraction?
By measuring temperature changes
How many people were killed in the Lake Nyos disaster in 1986?
How many people were killed in the Lake Nyos disaster in 1986?
Over 1,000
On what date did the Lake Nyos disaster occur?
On what date did the Lake Nyos disaster occur?
21st August 1980
What solution was implemented in 2001 to prevent another Lake Nyos disaster?
What solution was implemented in 2001 to prevent another Lake Nyos disaster?
Draining the entire lake
How do historical records help volcanologists predict eruptions?
How do historical records help volcanologists predict eruptions?
By showing weather patterns