Question

Earthquakes of magnitude 7.0 or greater can cause buildings with metal structures to collapse. On November 28, 1999 in Red Deer, Alberta, an earthquake of magnitude 6.9 occurred. On Vancouver Island, on May 30, 2001, an earthquake about 2.5 times as intense occurred. Was the Vancouver Island earthquake strong enough to cause buildings with metal structures to collapse? Include a full mathematical justification for your answer. (Richter Scale)

Answer 1