US Tsunami Warning System- tsunami advisory in effect for California, Oregon, Washington after earthquake off coast of Kamchatka Russia.Follows this earlier:Another massive earthquake - magnitude 8.7, Russia east coastOther alerts:Honolulu Emergency Management orders evacuation of coastal areasTohoku Elec. Says no tsunami impact to Onagawa nuclear plantTsunami warnings have been issued across much of Japan's eastern coastline This article was written by Eamonn Sheridan at investinglive.com.