……….is an extremely large wave which is usually caused by earthquake. ​

Jawaban:

tsunami

Usually, it takes an earthquake with a Richter magnitude exceeding 7.5 to produce a destructive tsunami. Most tsunamis are generated by shallow, great earthquakes at subductions zones. More than 80% of the world's tsunamis occur in the Pacific along its Ring of Fire subduction zones.

……is an extremely large wave which is usually caused by earthquake

Artinya

Apakah gelombang yang sangat besar yang biasanya disebabkan oleh gempa bumi

Jwb:

Tsunami