Tsunami waves are the undersea occurrence of earthquake exceeding 7-5 on Richter scale. Which one of the following statements regarding this is not correct?

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Q: 38 (CDS-I/2017)
Tsunami waves are the undersea occurrence of earthquake exceeding 7-5 on Richter scale.
Which one of the following statements regarding this is not correct?

question_subject: 

Geography

question_exam: 

CDS-I

stats: 

0,35,78,16,16,12,69

keywords: 

{'tsunami waves': [0, 0, 1, 1], 'seismic sea waves': [0, 0, 0, 1], 'tsunami': [2, 0, 1, 2], 'strong waves': [0, 0, 0, 1], 'tidal waves': [1, 0, 0, 1], 'earthquake': [2, 0, 2, 0], 'undersea occurrence': [0, 0, 0, 1], 'richter scale': [1, 0, 1, 0], 'pacific coasts': [0, 0, 0, 1]}

The given statement states that Tsunami is a Latin word. However, this statement is not correct. The word "tsunami" is actually a Japanese term. The term translates to "harbor wave" in English, as it refers to a large and powerful ocean wave that is caused by an undersea earthquake or other underwater disturbances.

Option 1 states that tsunami waves often generate strong waves, which is true. When a significant undersea earthquake occurs, it can generate a series of powerful and destructive waves that move across the ocean.

Option 2 states that the Pacific coasts are most vulnerable to tsunami waves, which is also true. The Pacific Ocean is known to have many active tectonic plates and subduction zones, making it more prone to earthquakes and subsequent tsunamis.

Option 3 states that tsunami waves are also called high-energy tidal waves or seismic sea waves. This statement is accurate as well. Tsunamis are often referred to as high-energy tidal waves due to their large size and energy, and seismic sea waves because they are triggered by seismic activity.

In summary, the provided answer is correct, and the statement in option 4 is the one that is not correct. Tsunami is not a Latin word; it is a Japanese term.