http://www.digitaljournal.com/article/259497

There were warning signs pointing to SFO quake. Part of normal activity

Posted Sep 6, 2008 by ■ Michael Squires
On Thursday, the Vancouver Island area of British Columbia, and US states on the West Coast experienced minor quakes. The chain of events seemed to have started off the Japanese Island of Honshu.
UPDATE at 23:09 GMT http://www.cnn.com/2008/WORLD/americas/08/28/vancouver.quake/index.html
The quakes are minor according to experts and may have been related to a 5.1 Magnitude quake off Japan yesterday.