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Pastimes : Hurricane and Severe Weather Tracking -- Ignore unavailable to you. Want to Upgrade?

To: Ron who wrote (25645)	7/30/2025 9:59:19 PM
From: S. maltophilia	Read Replies (2) \| Respond to of 25992

The Really Big One By Kathryn Schulz July 13, 2015 ......Thanks to that work, we now know that the Pacific Northwest has experienced forty-one subduction-zone earthquakes in the past ten thousand years. If you divide ten thousand by forty-one, you get two hundred and forty-three, which is Cascadia’s recurrence interval: the average amount of time that elapses between earthquakes. That timespan is dangerous both because it is too long—long enough for us to unwittingly build an entire civilization on top of our continent’s worst fault line—and because it is not long enough. Counting from the earthquake of 1700, we are now three hundred and fifteen years into a two-hundred-and-forty-three-year cycle. It is possible to quibble with that number. Recurrence...... newyorker.com archive.ph How to Stay Safe When the Big One Comes By Kathryn Schulz July 28, 2015 newyorker.com archive.ph