document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1190491>Question 1190491</A>: <I><SPAN STYLE=\"word-break: break-all;\"> On September 25, 2003 an earthquake that<BR>\n" );
document.write( "measured 7.4 on the Richter scale shook Hokkaido, Japan.<BR>\n" );
document.write( "How much energy (joules) did the earthquake emit?\r<BR>\n" );
document.write( "\n" );
document.write( "I get 10^15.5 joules using book formula of M=(2/3)log(E/10^4.4). The answer in my book says 3.16 x 10^15 joules.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #822174 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=822174\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> On September 25, 2003 an earthquake that<BR>\n" );
document.write( "measured 7.4 on the Richter scale shook Hokkaido, Japan.<BR>\n" );
document.write( "How much energy (joules) did the earthquake emit?\r<BR>\n" );
document.write( "\n" );
document.write( "I get 10^15.5 joules using book formula of M=(2/3)log(E/10^4.4). The answer in my book says 3.16 x 10^15 joules.<BR>\n" );
document.write( "----------------------<BR>\n" );
document.write( "What is the E?<BR>\n" );
document.write( "What is the base of the log? </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );