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A comment on California fault capable of producing a magnitude 8 earthquake has begun moving. Parent comment

Re:California fault capable of producing a magnitude 8 earth... by semi-extrinsic on Friday October 18, 2019 @05:25AM (#21289853)
If you want to do this, look to Japan.

I'm not working in this field, but I know they put a lot of effort into not just the geology, but also the psychology of warnings, esp. compared to acceptable false positive rates.

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Re:California fault capable of producing a magnitude 8 earth... by axus on Friday October 18, 2019 @09:36AM (#21291228)
They were able to warn everyone in real-time when North Korea launched those missiles. A quick search turned up this article that the J-Alert system is not perfect: https://www.japantimes.co.jp/news/2018/04/10/national/japans...
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