Tsunami Dangers - National Oceanic and Atmospheric Administration
2023年6月12日 · Large tsunamis strike with tremendous force and are a significant threat to human health, coastal property and infrastructure, coastal resources, and coastal, regional, and even national economies. Most tsunami damage and destruction is caused by flooding, wave impacts, erosion, strong currents, and floating debris (e.g., trees, structures ...
How Do Tsunamis Affect Human Lives? - Sciencing
2018年4月19日 · Tsunamis can have a devastating effect on human lives. They can destroy homes, change landscapes, hurt economies, spread disease and kill people.
Tsunamis - National Oceanic and Atmospheric Administration
2018年10月1日 · Tsunami effects on humans. Large tsunamis are significant threats to human health, property, infrastructure, resources, and economies. Effects can be long-lasting, and felt far beyond the coastline. Tsunamis typically cause the most severe damage and casualties near their source, where there is little time for warning.
Tsunamis - World Health Organization (WHO)
2018年1月1日 · Tsunamis are giant waves that are produced when a large volume of water is displaced in an ocean or large lake by an earthquake, volcanic eruption, underwater landslide or meteorite. Between 1998-2017, tsunamis caused more than 250 000 deaths globally, including more than 227 000 deaths due to the Indian Ocean tsunami in 2004.
Tsunami Facts and Information - National Geographic
A tsunami is a series of ocean waves that sends surges of water, sometimes reaching heights of over 100 feet (30.5 meters), onto land. These walls of water can cause widespread destruction when...
The Human Impact of Tsunamis: a Historical Review of Events …
Data on the impact of tsunamis were compiled using two methods, a historical review of tsunami events and a systematic literature review for publications relating to the human impacts of tsunamis with a focus on mortality, injury, and displacement.
Tsunami | Definition, Meaning, & Facts | Britannica
2024年11月9日 · tsunami, catastrophic ocean wave, usually caused by a submarine earthquake, an underwater or coastal landslide, or a volcanic eruption. The term tidal wave is frequently used for such a wave, but it is a misnomer, for the wave has no connection with the tides.
Tsunamis and Tsunami Hazards | U.S. Geological Survey - USGS.gov
2018年6月8日 · Tsunami Facts. Tsunamis are triggered by earthquakes, volcanic eruptions, submarine landslides, and by onshore landslides in which large volumes of debris fall into the water. All of these triggers can occur in the United States.
Tsunami Facts: How They Form, Warning Signs, and Safety Tips
2007年4月2日 · A tsunami is a series of great sea waves caused by an underwater earthquake, landslide, or volcanic eruption. More rarely, a tsunami can be generated by a giant meteor impact with the ocean.
Tsunamis - Woods Hole Oceanographic Institution
2005年1月13日 · A tsunami is a massive, fast-moving wave created by an underwater earthquake or landslide. The large volume of water displaced by a sudden movement of the seafloor creates a pulse in the ocean that races out from its source at speeds of up to 500 miles per hour and extends thousands of feet below the surface.