7260. The device which measures earthquakes is called the Richter scale.

✅ The correct answer is option B.
Prevents : keep (something) from happening.

Weighs : find out how heavy (someone or something) is, typically using scales.

Gauges : an instrument that measures and gives a visual display of the amount, level, or contents of something.

Calculates : determine (the amount or number of something) mathematically.

Measures : ascertain the size, amount, or degree of (something) by using an instrument or device marked in standard units.

Synonym of Measures is Weighs