Which of the following statements related to earthquake focus is not true?

1. It is situated on the surface of the earth & from here the earthquake waves spread horizontally on the earth surface.
2. It is the point of origin of earthquake wave.
3. It is situated below the earths crust
4. Effect of earthquake will be greater if focus is situated near the surface

Which of the following plates were responsible for Nepal earthquake on 25th April, 2015?

1. Pacific plate & Indian Plate
2. Nazka Plate & Eurasian Plate
3. Indo- Australian & Eurasian Plate
4. Eurasian & Pacific Plate

Which of the following is not a cause of earthquake?

1. Folding & faulting
2. Volcanism
3. Deep underground mining
4. Tsunami

'Earthquakes are a common occurrence and I have grown accustomed to them, said by Taiwan resident Hsien-Hsuen Keng. [News 18, 3rd April, 2024]

Why according to you is the reason for the common occurrence of earthquakes in Taiwan?