News about the earthquake in northeastern Japan

Summary:  Here is information on some aspects of  the world’s latest natural disaster.  Was the 20th century usually calm, geologically?  {update:  see graph at the end for an answer}  Links to other posts about earthquakes and volcanoes appear at the end.  Updates will be posted below.  Also see About the atomic crisis in Japan – background information and news …

News about the earthquake in northeastern Japan Read More »