Volcanic Eruptions Quiz

What is "cold lava" as described in the text?

• Molten rock expelled from a volcano

• A concrete-like mixture of volcanic materials and rainwater

• Ash and gas emitted during a volcanic eruption

• A type of igneous rock formed after a volcanic eruption

According to the article, where is Mount Marapi located?

• Japan

• Indonesia

• Philippines

• Australia

What is the significance of the "Ring of Fire" mentioned in the text?

• It marks a major earthquake fault line

• It is a zone of frequent volcanic activity

• It represents a path for migrating lava flows

• It is a barrier to volcanic ash clouds

What causes the formation of cold lava?

• Interaction of volcanic gases with rainwater

• Mixing of volcanic materials with seawater

• Fusion of molten lava with cold air

• Rain mixing with volcanic materials like ash, sand, and pebbles

What is the main reason behind Indonesia's frequent volcanic activity?

• Subduction of tectonic plates

• Excessive rainfall in volcanic regions

• Presence of large magma chambers

• Rapid melting of polar ice caps

Why is cold lava considered more destructive than hot lava?

• It spreads over a larger area

• It moves quickly like wet concrete

• It reaches higher temperatures

• It solidifies into hard rock formations

What tragic event occurred during Mount Marapi's eruption mentioned in the text?

• A village was buried under hot lava

• Tourists were trapped on the volcano

• Climbers were killed and nearby districts were affected by cold lava

• A plane crashed due to volcanic ash clouds

Which agency issued warnings about the risk of cold lava from Mount Marapi?

• United States Geological Survey (USGS)

• National Geographic

• Indonesia's national disaster mitigation agency (BNPB)

• MAGMA

How did Mount Marapi earn its local name "Mountain of Fire"?

• Due to its frequent eruptions

• Because it emits fiery gases

• For its glowing lava flows

• In honor of a local fire deity

What precautionary measures were advised in the text regarding cold lava?

• Wear protective suits to shield from heat

• Evacuate to higher ground during eruptions

• Clear ash from rooftops to prevent collapse

• Secure windows and doors to block ash clouds