There is not a DIY fix to bolt your house to its foundation for an earthquake. This is a job for a licensed contractor or seismic retrofitter. It is a straightforward job that will save you thousands and increase the value of your home. And while you are checking if your house is bolted down, check that your crawlspaces and cripple walls (if you have them) are securely braced as well.
|HOW TO SECURE YOUR HOUSE TO A FOUNDATION FOR AN EARTHQUAKE:
Secure your house for an earthquake by bolting it to the foundation, and sleep like a baby.