October 01, 1999 (vol. 110, iss. 3) • Page Image 2
…2 - The Michigan Daily - Friday,_October 1, 1999 NATION WORLD EARTHQUAKE Continued from Page 1 the other, nudging the top plate upward. 'Yesterday s earthquake in Mexico was probably on a subduction fault as well. Preliminary reports indicated that it was a 7.4 or 7.5 on the Richter scale. The largest earthquakes. those with magnitude between 7 and 9 on the Richter scale, often occur on subduction faults. Subduction faults appear where an o...…