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Earthquake vs Tsunami
Earthquakes Vs. Tsunami
By: Carissa Galbraith
Earthquakes
What is an earthquake? An earthquake is a sudden violent shake in the earths surface or ground. Some ways they can be created is when The movement releases stored-up ‘elastic strain’ energy in the form of seismic waves, which propagate through the Earth and cause the ground surface to shake. The Mercalli scale describes the intensity of an earthquake based on its observed effects, the Richter scale describes the earthquake's magnitude by measuring the seismic waves that cause the earthquake.
Earthquakes
Tsunami
Facts
Tsunami
A tsunami is a series of waves in a water body caused by the displacement of a large volume of water, generally in an ocean or a large lake. They can also be caused by landslides, volcanic activity, certain types of weather, and—possibly—near-earth objects (e.g., asteroids, comets) colliding with or exploding above the ocean. Tsunamis are detected and measured by coastal tide gages and by tsunami buoys in the deep ocean.Rushing water from waves, floods, and rivers is incredibly powerful. Just six inches of fast-moving water can knock adults off their feet, and twelve inches can carry away a small car. Tsunamis can be particularly destructive because of their speed and volume.When a great earthquake ruptures, the faulting can cause vertical slip that is large enough to disturb the overlying ocean, thus generating a tsunami that will travel outwards in all directions.
Facts
1. An underwater earthquake, a volcano eruption or a landslide mostly causes a tsunami.
2. Only on very few occasions a tsunami is caused by a giant meteor in the ocean.
3. Tsunami waves can be as huge as 100 feet.
4. About 80% of the tsunamis occur in the Pacific Ocean's Ring of Fire.
Pictures
Historical Earthquake
Valdivia, Chile 22 May 1960. It was one of the top 100 most dangerous earthquakes today. The Valdivia earthquake left two million people homeless, injured at least 3,000, and killed approximately 1,655. The economic damage totaled $550 million (more than $4.8 billion, adjusted for 2020 inflation). The Valdivia earthquake triggered a massive tsunami that raced across the Pacific. The Nazca Flaut moved.
Past Events
Pictures
Historical Tsumani
Past Tsumani
One important tsumani is Sumatra, Indonesia – 26 December 2004.
In Aceh, the northern province of Sumatra, the United Nations (UN) Field Office reported approximately 131,000 people confirmed dead and 37,000 missing. With more than 80,000 houses sustaining major damage or collapse, the UN estimated that more than 500,000 people were displaced from their homes in Sumatra alone.
Pictures
Citations
https://www.google.com/search?q=earthquake+pictures&rlz
NOAA Center for Tsunami Research - FAQ resultshttps://nctr.pmel.noaa.gov
https://www.bgs.ac.uk/discovering-geology
Citations
https://www.noaa.gov/education/resource-collections/ocean-coasts/tsunamis
https://www.google.com/search?rlz=1CABQYG_enUS1006US1007&q=How+are+tsunamis+related+to+Earthquakes?&spell=1&sa=X&ved=2ahUKEwiR1umdgrX6AhWbLUQIHXWjBlIQBSgAegQIAhAz&biw=1366&bih=665&dpr=1&safe=active&ssui=on
https://www.google.com/search?q=earthquakes+from+the+past&rlz=1CABQYG_enUS1006US1007&biw=1366&bih=665&ei=cPIyY9evKKXYkPIPvPm7qAM&ved=0ahUKEwjXp96egrX6AhUlLEQIHbz8DjUQ4dUDCA4&uact=5&oq=earthquakes+from+the+past&gs_lcp=Cgdnd3Mtd2l6EANKBAhBGABKBAhGGABQjwRY-ldg91poAHABeACAAQCIAQCSAQCYAQCgAQGwAQDAAQE&sclient=gws-wiz&safe=active&ssui=on
https://www.google.com/search?q=tsumani+pictures
https://www.diffen.com/difference/Mercalli_Scale_vs_Richter_Scale
https://oceanservice.noaa.gov/