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Seismic and Volcanic hazards: key terms/concepts

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Last updated over 3 years ago
20 questions
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Question 1
1.

Which two of the waves listed below are surface waves?

Question 2
2.

Which of these definitions refers to the focus of an earthquake

Required
1
Question 3
3.

On the map suggest where the deepest (measured by focus depth) earthquakes may occur

Question 4
4.

Which of the descriptions below matches a strike slip fault?

Question 5
5.

True or false: surface waves can travel through the earths core

Question 6
6.

Identify 5 different factors that can influence the impact of an earthquake event

Question 7
7.

Which of the names below refer to ways of measuring earthquakes that are commonly used today

Question 8
8.

Which of the factors below contributed to the worsening of the Haiti earthquake disaster in 2010? Tick all that apply

Question 9
9.

Match the geobite to the characteristic

Wooden buildings set on fire
Avalanches
Extensive landslides
Lead to a tsunami
Tsunami lead to failure of a nuclear plant
Haiti 2010
Kobe 1995
Kashmir 2005
Nepal
Sendai/Tohuko
Question 10
10.

Which of the definitions below is refering to ejecta?

Question 11
11.

Which of the definitions below is refering to Tephra?

Question 12
12.

Which of the combination of factors below cause volcanic eruptions?

Question 13
13.
Most viscous
Least viscous
Greatest amount of exsolved gases
Greatest silica content
Found at divergent plate margins
Formed by oceanic crust being subducted under oceanic crust (island arcs)
Forms acid cone volcanoes
Associated with fissure volcanoes
Ryolitic
Andesitic
Basaltic
Question 14
14.

Draw an annotated diagram to expain the formation of caldera volcanoes

Question 15
15.

Lava dome volcanoes require viscous magma to form

Question 16
16.

Which of these descriptions fit a pyroclastic flow (select all that apply)

Question 17
17.

Which of the hazards below can be found at constructive/divergent plate margins?

Question 18
18.

Name four secondary hazards associated with volcanoes

Question 19
19.

Match the volcano geobite to the key characteristic

Runny lava covering roads and homes, forcing evacuation
Phreatic eruption which took tourists by surprise
Thich deposits of ash caused the capital to be relocated
Eruption caused a tsunami
Large ash clouds and pyroclastic flows
Supervolcano that is also a caldera and could change the climate!
Kilauea
Nyiragongo
Mount Etna
Montserrat
Yellowstone
White Island
Mount Ontake
Tonga
Mount St Helens
Question 20
20.

All volcanoes occur on land