Patterns

Alaska Tsunami

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Discover why multiple tsunamis resulted from the Great Alaska Earthquake of 1964 in this video adapted from Alaska Sea Grant. Hear firsthand accounts about the tsunamis and see an animation showing how tsunamis are created when there is a sudden displacement of water, caused by a change in elevation of the seafloor or by landslides. Observe how tsunamis impact coastal communities, and learn how research is critical for community preparedness.

Making North America | The Cascadia Subduction Zone

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Learn why an ancient earthquake that sunk a coastal rain forest into the tidal zone may portend a severe natural disaster in the Pacific Northwest today, in this video from NOVA: Making North America: Human. Underlying a “ghost forest” in Washington State is evidence of one of the worst seismic events in North America since human beings arrived on the continent. The event traces to the Cascadia subduction zone, where the Juan de Fuca plate is trying to slide under the North American plate. Sediment core samples suggest that a severe earthquake somewhere along the subduction zone is likely to occur again in the future.

To view the Background Essay and Teaching Tips for this video, go to Support Materials below. This resource was developed through WGBH’s Bringing the Universe to America’s Classrooms project, in collaboration with NASA. Click here for the full collection of resources. To see more resources from NOVA: Making North America, visit the collection page here.

Mother Nature in Charge | Losing Faith

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By nature farmers are optimists, so Dan Webster tries to hang on to the hope that the situation will get better.

Mother Nature in Charge | Flooded Land

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Devils Lake area farmer, Dan Webster, has lost more than 5,000 acres due to the flood and had to burn his family original farmstead. He speaks about his family’s situation with raw emotion.

Mother Nature in Charge | Long Commutes

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Clarence Greene, roads superintendent for the Spirit Lake Reservation, has to drive great distances to get to job sites because roads are under several feet of water. He has seen many family farms flooded out, farms that have been passed from one generation to the next, leaving no legacy or livelihood for this generation.

Himalayan Megaquake | Future Earthquake Potential

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Learn how energy builds up along plate boundaries over time and how release of the stored energy leads to earthquakes in this excerpt from NOVA’s Himalayan Megaquake. The Gorkha region in the Himalayas was devastated by a magnitude 7.8 earthquake in 2015. The video explains how historical records and GPS technology can help scientists determine energy buildup and the potential for future earthquakes in the Himalayan region.

To view the Background Essay and Teaching Tips for this video, go to Support Materials below. This resource was developed through WGBH’s Bringing the Universe to America’s Classrooms project, in collaboration with NASA. Click here for the full collection of resources.

The Climate is Changing but How's the Weather? | Exploring Energy

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What's the difference between weather and climate? Climate scientists and meteorologists open up about how they collect and analyze data to keep us safe now and in the future.

Does Climate Change Cause Extreme Weather? | Above the Noise

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Fluctuations in weather happen all the time. But sometimes, those fluctuations can get extreme, making disasters like hurricanes and heatwaves more intense. What role does climate change play in extreme weather? Watch the latest Above the Noise episode to find out.

Doomsday Volcanoes | Clues Inside a Volcano

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Are three volcanoes in Iceland, seemingly separate aboveground, somehow linked? How might the eruption of one affect another? Geologist Freysteinn Sigmundsson and his team descend into the crater of a dormant volcano to find out, in this video from NOVA: Doomsday Volcanoes. Experience the sights inside a volcanic chamber and learn how clues from fissures within help scientists piece together the story of how Iceland’s potent volcanoes are connected.

This resource was developed through WGBH’s Bringing the Universe to America’s Classrooms project, in collaboration with NASA. Click here for the full collection of resources.

Engines of Destruction: How Hurricanes Work | It's Okay to Be Smart

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The physics of the perfect storm…

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