Is soil moisture depletion a method of measuring evapotranspiration​

Yes,the soil moisture depletion method is usually employed to determine the consumptive use of irrigative field crops grown on the fairly uniform soil when the depth to the groundwater is such that it will not influence the soil moisture fluctuation within the root zone.

true. earthquakes are felt whenever there is a slip around a fault in the rocks below the earth. this reorientation of faults create sesmic waves and is known as earthquake, the severity of which is measured in richter scale. these are more prominent in hilly regions as the rocks usually form faults to balance the pressures on it.