7.7 magnitude earthquake hits Russian Far East By Ruth Mantell, MarketWatch Last Update: 10:35 PM ET Apr 20, 2006 SAN FRANCISCO (MarketWatch) -- A 7.7 magnitude earthquake hit the Russian Far East early Friday afternoon, officials reported. There were reports of damage in some Pacific region villages, and some injuries, according to the Associated Press. The Japan Meteorological Agency said the earthquake posed no tsunami threat to Japan. The epicenter of the quake, with a depth of almost 27 miles, was in the Koryak region, about 3,900 miles north northeast of Moscow, according to the U.S. Geological Survey. The quake...