An earthquake with a magnitude of about 2.0 or less is called a microearthquake. It is not usually felt. The intensity of an earthquake with a magnitude of 2 is how many times greater than the intensity of an a standard earthquake?
The magnitude of a standard earthquake is usually measured to be as values ranging from 4.5 magnitudes or higher in accordance to the Richter Scale. In addition, these earthquakes are strong enough to be recorded even by the simplest seismograph which could cause moving of light objects.
