PowerPoint Presentation

Charles Richter

Robert MillikanHarry O. Wood

Richter Scale with Beno Gutenberg

Richter (1977) - BSSA

- Susan Hough Richter Scale: Measure of an Earthquake, Measure of a Man (2007)

Charlie Richter made a scale for calibrating earthquakesGives a true and lucid reading ev'ry time the earth shakesIncrements are exponential; numbers O to 9When the first shock hit the "seismo", everything worked fine

It measured one-two (1.2) on the Richter scaleA shabby little shiverOne-two on the Richter scaleA queasy little quiverWaves brushed the seismographAs if a fly had flicked herOne-two on the Richter scale;It hardly woke up RichterThe Quidnuncs Richter Scale

Hugo BenioffBeno GutenbergSir Harold JeffreysCharles RichterPerry ByerlyHarry F. ReidHarry O. WoodL. H. Adams