Earthquake - SF Bay area - You guys ok?

memike said

In an area (like us) that have earthquakes why did they not have all that wine and
Vintage oils earthquake proof like a simple stap system.

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I'd bet they never expected anything to happen. It may be an area with a fault, but nothing like this has happened before. The last "big one" was a 5.1. So this latest quake was almost 10x the biggest recorded quake from that fault.