Toshiba's / SanDisk's Fab 3 & 4
<<Ventures with Toshiba
We and Toshiba have successfully partnered in several flash memory manufacturing business ventures, which provide us leading edge, cost competitive NAND wafers for our end products. From May 2000 to May 2008, FlashVision Ltd., or FlashVision, operated and produced 200-millimeter NAND flash memory wafers. In September 2004, we and Toshiba formed Flash Partners Ltd., or Flash Partners, which produces 300-millimeter NAND flash wafers in Toshiba’s Fab 3. In July 2006, we and Toshiba formed Flash Alliance Ltd., or Flash Alliance, a 300-millimeter wafer fabrication facility which began initial production in the third quarter of fiscal year 2007 in Toshiba’s Fab 4.>>
http://www.toshiba.com/taec/news/press_releases/2007/corp_07_491.jsp
These Fabs are NOT near the epicenter. I think they are safe - they have a lot of barriers in the way as well:
http://maps.google.com/maps?hl=en&tab=wl