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 >
Rating Newest Oldest. Best Answer: an earthquakes magnitude is based on a Richter Scale of 1.0-10.0. Just to give you an idea of the impact of something that large. Less than 2.0 not felt. About 8,000 per day. 2.0-2.9 Generally not felt, but recorded.