Volcanoes, Earthquakes, Tsunamis Test Review

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If a volcano is flatter and dome shaped what is it classified as?

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Shield

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If a volcano has large depressions in the ground what is it classified as?

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Calderas

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based on the test we took on May 11, 2023

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39 Terms

1
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If a volcano is flatter and dome shaped what is it classified as?

Shield

2
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If a volcano has large depressions in the ground what is it classified as?

Calderas

3
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What type of volcano is Mount Mayon classified as?

Strato

4
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What are Mid-Atlantic Ridges (Hydrothermal Vents) classified as?

Mid-Ocean Ridges

5
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If a volcano appears tall and has steep mountains, what are they classified as?

Strato

6
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What is Mount Bromo Sunrise classified as?

Calderas

7
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What is Mount Mauna Loa classified as?

Shield

8
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If a volcano has underwater chains of the volcanic mountains, what is it classified as?

Mid-Ocean Ridges

9
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Heat melts some of the rock in the Earth’s mantle causing it to turn into _

Magma

10
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Once Magma escapes through volcanic eruptions and is above the surface of the Earth, it is called

Lava

11
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What does the Volcanic Explosivity Index begin at?

(Answer in word form)

Zero

12
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True or False: The Volcanic Explosivity Index (VEI) has no upper limit

True

13
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Where did the most terrible eruption ever witnessed occur in?

Indonesia

14
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When did the most terrible eruption ever witnessed occur?

1815

15
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What is the path that traces between the tectonic plates around the Pacific Ocean and contains 75% of the planet’s volcanoes called?

Ring of Fire

16
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True or False: Most volcanoes are located where tectonic plates meet.

True

17
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True or False: Volcano eruptions can be prevented

False

18
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Define what a tectonic plate is

(*make sure to know this word for word*)

A massive, irregularly shaped slab of solid rock

19
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Where do tectonic plates meet?

Their boundaries

20
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What are the boundaries tectonic plates meet known as?

Plate Margins

21
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Magnitude or Intensity: The total amount of energy released by the earthquake source

Magnitude

22
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Magnitude or Intensity: Can have different values

Intensity

23
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Magnitude or Intensity: An earthquake will only have one of these

Magnitude

24
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Magnitude or Intensity: It changes depending on your distance from the source of the earthquake

Intensity

25
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What are the two largest tectonic plates?

Pacific, Antartic

26
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If an earthquake is measured at an 8, that means it is 100x or 1000x greater than an earthquake measured at a 6.

100x

27
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True or False: There are no inventions to stop earthquakes

True

28
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Where did the biggest earthquake ever recorded happen?

Chile

29
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Name the 3 countries who were also affected by the Chilean earthquake

US, Japan, Philippines

30
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True or False: Earthquakes can be prevented

False

31
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What does Tsunami translate to?

Harbor Waves

32
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What are the 4 main causes of Tsunamis?

Volcanic eruptions, Submarine landslides, Meteorites, Earthquakes

33
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What is the most common cause of Tsunamis?

Earthquakes

34
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True or False: The first wave of the tsunami is always the strongest/largest

False

35
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Where was the largest tsunami (that was caused by an earthquake) ever recorded?

Indian Ocean

36
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How many countries did the tsunami of 2004 reach?

11

37
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The tsunami had an energy equivalent to 21,000 or 23,000 times greater than the atomic bomb dropped on Hiroshima.

23,000

38
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When a tsunami occurs, where should one seek to go?

(Inland or Out to shore)

Inland

39
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When a tsunami occurs, you should move to higher/lower ground

Higher