Mount Merapi And E15 Flashcards

1
Q

What is Mount Merapi?

A

An active stratovolcano located on the island of Java in Indonesia.

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2
Q

When was the significant eruption of Mount Merapi that occurred in 2010?

A

October 26, 2010.

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3
Q

True or False: Mount Merapi is one of the most active volcanoes in Indonesia.

A

True.

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4
Q

What are the primary hazards associated with volcanic eruptions at Mount Merapi?

A

Lava flows, pyroclastic flows, and ash fall.

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5
Q

Fill in the blank: Mount Merapi is part of the __________ mountain range.

A

Sunda.

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6
Q

What is the elevation of Mount Merapi?

A

2,930 meters (9,616 feet).

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7
Q

Multiple Choice: What type of volcanic eruption is most commonly associated with Mount Merapi? A) Effusive B) Explosive C) Phreatomagmatic

A

B) Explosive.

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8
Q

What is the significance of the E15 volcanic eruption?

A

It refers to the volcanic activity and eruptions that occurred in 2015.

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9
Q

True or False: The E15 eruption was the first recorded eruption of Mount Merapi.

A

False.

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10
Q

What type of magma is primarily found in Mount Merapi?

A

Andesitic magma.

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11
Q

What is the main reason for the frequent eruptions of Mount Merapi?

A

It is located along the Pacific Ring of Fire, where tectonic plate activity is high.

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12
Q

Fill in the blank: The 2010 eruption of Mount Merapi resulted in the evacuation of approximately __________ people.

A

350,000.

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13
Q

What is a pyroclastic flow?

A

A fast-moving current of hot gas and volcanic matter.

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14
Q

Multiple Choice: Which of the following is NOT a volcanic hazard? A) Ashfall B) Tsunami C) Lava flow

A

B) Tsunami.

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15
Q

What is the Volcanic Explosivity Index (VEI) rating of the 2010 eruption of Mount Merapi?

A

VEI 4.

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16
Q

True or False: Eruptions of Mount Merapi can affect air travel due to ash clouds.

17
Q

What is the primary monitoring agency for volcanic activity in Indonesia?

A

Volcanology and Geological Hazard Mitigation Center (PVMBG).

18
Q

Fill in the blank: The 2010 eruption of Mount Merapi was preceded by a series of __________.

A

Earthquakes.

19
Q

What is the primary composition of volcanic ash?

A

Fragmented rock and glass particles.

20
Q

Multiple Choice: Which of the following is a common effect of volcanic eruptions on the environment? A) Soil fertilization B) Increased biodiversity C) Climate cooling

A

C) Climate cooling.

21
Q

What is the historical significance of Mount Merapi?

A

It has had numerous recorded eruptions dating back to the 16th century.

22
Q

True or False: The 2015 E15 eruption was less significant than the 2010 eruption.

23
Q

What is the term for the study of volcanoes?

A

Volcanology.

24
Q

Fill in the blank: The lava produced by Mount Merapi is typically __________ in viscosity.

25
What are lahars?
Volcanic mudflows that can occur during or after an eruption.
26
Multiple Choice: What is the primary gas emitted during volcanic eruptions? A) Oxygen B) Carbon Dioxide C) Sulfur Dioxide
C) Sulfur Dioxide.
27
What is the role of the Indonesian government during volcanic eruptions?
To coordinate evacuations and provide assistance to affected populations.
28
True or False: The 2010 eruption of Mount Merapi resulted in no fatalities.
False.
29
What is the term for the area around a volcano that is affected by its eruptions?
Volcanic hazard zone.
30
Fill in the blank: The __________ eruption of Mount Merapi in 2010 was characterized by explosive activity and ash clouds.
October.
31
What are the primary effects of volcanic ash on human health?
Respiratory issues and eye irritation.
32
Multiple Choice: Which of the following is a long-term effect of volcanic eruptions? A) Short-term climate change B) Immediate habitat destruction C) Economic disruption
C) Economic disruption.
33
What is the main purpose of a volcanic alert system?
To provide timely warnings to populations at risk of eruptions.
34
True or False: Mount Merapi is located in a densely populated area.
True.
35
What is a volcanic dome?
A mound-shaped protrusion resulting from the slow extrusion of viscous lava.