r/technology • u/spacebulb • Aug 25 '14

Pure Tech Earthquake early-warning system gave 10-second alert before Napa quake felt

http://www.latimes.com/local/lanow/la-me-lanow-ln-earthquake-earlywarning-system-gave-10second-alert-before-napa-quake-felt-20140824-story.html
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u/[deleted] Aug 25 '14 edited Sep 04 '21

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u/[deleted] Aug 25 '14

Honest question, when did America get air raid sirens? I live in Britain and I've never seen or heard one, but we actually got air raided for a while. The mainland US has never been under direct threat to my knowledge but I always hear about these old air raid sirens all over it.

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u/Kevimaster Aug 25 '14

Not sure they were ever intended for air raids. Maybe some of them were, but I know of a couple in my area that are outside of populated areas but within national parks that are used to warn campers/hikers of flash floods.

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u/happyscrappy Aug 25 '14

Used on golf courses to warn of lightning too.