News for hackers. Stuff that matters.

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 jdavis703 on Friday October 18, 2019 @08:59AM (#21290971)
FWIW this app failed to detect an earthquake yesterday that I felt in Mountain View (the origin was in Hollister). I think they still have some fine-tuning.
[ Parent | on HN ]
Re:California fault capable of producing a magnitude 8 earth... by notable_user on Friday October 18, 2019 @10:27AM (#21291639)
Almost certainly they detected the earthquake and decided not to notify people because it was too small to warrant a notification.
[ Parent | on HN ]
Re:California fault capable of producing a magnitude 8 earth... by TheCraiggers on Friday October 18, 2019 @11:36AM (#21292254)
Almost certainly, that's pure conjecture.
[ Parent | on HN ]
Re:California fault capable of producing a magnitude 8 earth... by athriren on Friday October 18, 2019 @03:33PM (#21294415)
The article I read announcing statewide rollout actually goes into some detail regarding what threshold the quake has to hit for notifying people. I found it interesting, because I had initially expected it to send out warnings for every quake. Some people complained that the app didn’t warn them about quakes they felt that had been quite mild, so they lowered the threshold for alert to more closely conform to people’s expectations (even though that level of shaking was very minor and not necessary to warn people about).

[0] https://www.theverge.com/platform/amp/2019/10/17/20919639/ca...

[ Parent | on HN ]