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Questions and Answers
What geological processes are responsible for expanding the Hawaiian archipelago?
Which two active volcanoes are included in the Hawaiʻi Volcanoes National Park?
What forms as molten lava flows from a volcanic eruption?
What natural process is causing the Hawaiian archipelago to expand?
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Where is the Hawaiian hotspot located?
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What process does the slower moving lava on the surface of the flow initiate?
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What forms as a result of the slower moving lava hardening on the surface of the flow?
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What is left behind when the lava eventually flows out of the lava tube?
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What can visitors witness at the crater in Hawaiʻi Volcanoes National Park?
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What effect does the slower moving lava on the surface have on the molten lava below?
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Study Notes
Geological Processes of Hawaiian Archipelago
- The Hawaiian archipelago is expanding due to volcanic activity, specifically the movement of the Pacific plate over a hotspot, a zone of molten rock in the Earth's mantle.
Hawaiʻi Volcanoes National Park
- The park includes two active volcanoes: Kīlauea and Mauna Loa.
Volcanic Eruption
- Molten lava flows from a volcanic eruption, which forms lava flows.
Expansion of the Archipelago
- The Hawaiian archipelago is expanding due to the natural process of volcanic activity, specifically the movement of the Pacific plate over a hotspot.
Location of the Hawaiian Hotspot
- The Hawaiian hotspot is located beneath the island of Hawaiʻi.
Slower Moving Lava
- The slower moving lava on the surface of the flow initiates a process called crust formation.
Crust Formation
- The slower moving lava hardening on the surface of the flow forms a crust.
Lava Tubes
- When the lava eventually flows out of the lava tube, it leaves behind a hollow tube or channel.
Hawaiʻi Volcanoes National Park Attractions
- Visitors can witness the crater and lava lake at the summit of Kīlauea volcano in Hawaiʻi Volcanoes National Park.
Effects of Slower Moving Lava
- The slower moving lava on the surface has an insulating effect, allowing the molten lava below to remain hot and fluid.
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Description
Join Park Ranger Andrea Kaawaloa-Okita on a virtual tour of the Hawaiʻi Volcanoes National Park to explore the fire goddess, Pele-honua-mea, and the geological processes shaping the Hawaiian islands. Learn about the archipelago and its volcanic activity from the comfort of your home.
