Earthquakes: magnitude and impact
Each step of magnitude is ten times the ground motion and about thirty-two times the energy; the P-to-S wave gap gives distance, and deaths per million compare impact.
About 35 minutes8 activities Paper packet
Each step of magnitude is ten times the ground motion and about thirty-two times the energy; the P-to-S wave gap gives distance, and deaths per million compare impact.
About 35 minutes8 activities Paper packet