What is Richter Magnitude Short answer: Seismologists use a Magnitude scale to express the seismic energy released by each earthquake. Here are the typical effects of earthquakes in various magnitude ranges: Earthquake Severity Richter Earthquake Magnitudes Effects Less than 3.5 Generally not felt, but recorded. 3.5-5.4 Often felt, but rarely causes damage. Under 6.0 At most slight damage to ...
www.seismo.unr.edu/ftp/pub/louie/class/100/magnitude.html
Biographical Memoirs of Fellows of the Royal Society, 1997 INGE LEHMANN 13 May 1888-21 February 1993 Elected For.Mem.R.S. 1969 BY BRUCE A. BOLT University of California, Berkeley, Seismographic Station, 475 Earth Sciences Building, Berkeley, CA 94720, USA FAMILY AND EDUCATION Dr Inge Lehmann was born on 13 May 1888 at Osterbro by the Lakes in Copenhagen. She grew up and lived much of her long ...
www.physics.ucla.edu/~cwp/articles/bolt.html
Article by Michael Carlowicz, American Geophysical Union
www.agu.org/inside/awards/lehmann2.html
Article by Brian J. Mitchell, Saint Louis University for the American Geophysical Union.
www.agu.org/inside/awards/gutenberg.html
Article includes one photograph.
www.physics.purdue.edu/wip/herstory/lehmann.html