document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1065155>Question 1065155</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Earthquake intensity, I, is given by the equation<BR>\n" );
document.write( "I=Io(10)^m, where m is the magnitude measured to the nearest tenth on the Richter scale and Io is the reference intensity.<BR>\n" );
document.write( "In 1906, the San Francisco Bay area had an earthquake with a magnitude of 7.8 on the Richter scale.\r<BR>\n" );
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document.write( "What is the magnitude of an earthquake that is 158 times less intense than the 1906 San Francisco Bay earthquake? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #680672 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=680672\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> So the 1906 quake,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=I=I%5Bo%5D%2A10%5E%287.8%29 ALIGN=MIDDLE  ALT=\"I=I%5Bo%5D%2A10%5E%287.8%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "For a quake 158 times less intense,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m%5Bnew%5D=log%28%2810%5E%287.8%29%2F158%29%29=log%28%2810%5E%287.8%29%29%29-log%28%28158%29%29=7.8-2.2=5.6 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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