Podcast
Questions and Answers
What is the main reason Hawai'i is a great place to observe lithospheric changes?
What is the main reason Hawai'i is a great place to observe lithospheric changes?
What causes earthquakes to occur?
What causes earthquakes to occur?
What is a fault?
What is a fault?
How do volcanoes and earthquakes contribute to landscape transformation?
How do volcanoes and earthquakes contribute to landscape transformation?
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What causes stress buildup in the Earth's crust?
What causes stress buildup in the Earth's crust?
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What gives people a small glimpse of interesting features of the Earth?
What gives people a small glimpse of interesting features of the Earth?
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How do people benefit from identifying lithospheric features both underwater and on land?
How do people benefit from identifying lithospheric features both underwater and on land?
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What causes tsunamis?
What causes tsunamis?
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How are volcanoes formed?
How are volcanoes formed?
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What are hot spots like Yellowstone National Park and the Hawai'ian islands caused by?
What are hot spots like Yellowstone National Park and the Hawai'ian islands caused by?
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How do rocks cause earthquakes?
How do rocks cause earthquakes?
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What do seismologists study to understand the Earth's interior?
What do seismologists study to understand the Earth's interior?
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What do lava types from volcanoes provide clues about?
What do lava types from volcanoes provide clues about?
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Study Notes
- Rocks store energy and cause earthquakes when the pressure changes due to new sediment deposits
- Seismologists study earthquake waves to understand the Earth's interior, revealing the five layers: solid inner core, liquid outer core, liquid mantle, taffy-like upper layer, and outer crust
- Tsunamis, or tidal waves, can be caused by earthquakes, landslides, or volcanic eruptions
- Tsunamis travel fast in the open ocean but slow down near the shoreline, causing destruction and sometimes multiple waves
- Volcanoes form in three ways: lithosphere pulling apart, crust being forced back into the mantle, or mantle plumes rising to the surface
- Hot spots, such as Yellowstone National Park and the Hawai'ian islands, are areas of volcanic activity caused by mantle plumes
- Lava types from volcanoes provide clues about the Earth's interior
- Weathering and deposition, processes on the surface of Hawai'i, are caused by natural agents like wind, water, or sun
- The Hawai'ian islands were formed by a mantle plume depositing volcanic lava over a long period, with the Big Island being the most active volcanic area currently
- A new island, Lo'ihi, is forming off the Big Island's southeast coast but is currently underwater and will take a long time to reach the surface.
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Description
Test your knowledge of the Earth's dynamic features and the changes in the lithosphere. Explore how snorkeling in Hawai'i can provide insights into these geological changes.