It will almost certainly take several tens of thousands of years, if the growth rate for L'ihi is comparable to that of other Hawaiian volcanoes (about 0.1 foot per year averaged over geologic time).
A: The Richter scale is used to quantitatively measure the magnitude of an earthquake. This tool was devised by the seismologist Charles F. Richter in 1935. Full Answer >
The Richter scale measures the energy released in an earthquake by measuring the size of the seismic waves. 2. The Mercali scale measures the results of an earthquake, such as the shaking and damage that people actually feel and see.