On average, an earthquake of greater than 8.0 magnitude to occur in the world Once a year. Thus, option B is correct.
A tectonic plate moving along a fault line in the earth's crust results in an earthquake, which is a powerful and sudden shaking of the ground. Ground tremors, soil liquefaction, landslides, cracks, avalanches, fires, and tsunamis can all be caused by earthquakes.
But there are significant earthquakes of magnitude 7.0 to 7.9 that happen often all across the planet. While an earthquake only occurs once a year, it can occur anywhere with a magnitude of 8.0 or higher.
Therefore, option B is correct, that an earthquake with a magnitude higher than 8.0 happens on average once every year around the world.
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