I checked Hayward fault had 2 6.9 quakes in 200 years, 100 year

I checked Hayward fault had 2 6.9 quakes in 200 years, 100 year each. Most houses survived, each without a crack. So we think it is QAed.

However, the 1906 SF quake seems to be 7.8-8.2. That is a bit scary.

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• 89年的大地震中心在北湾的马林县，离南湾60+迈 -laoyangdelp- ♀ (45 bytes) () 02/01/2015 postreply 07:41:45