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


To: miraje who wrote (25657)7/31/2025 1:20:55 PM
From: Don Green  Respond to of 26027
 
SI needs a geology thread Mother EARTH
Subject 60248



To: miraje who wrote (25657)7/31/2025 1:29:40 PM
From: S. maltophilia  Respond to of 26027
 
....Reversal occurrences appear to be statistically random. There have been at least 183 reversals over the last 83 million years (thus on average once every ~450,000 years). The latest, the Brunhes–Matuyama reversal, occurred 780,000 years ago [1] with widely varying estimates of how quickly it happened. Some sources estimate the most recent four reversals took on average 7,000 years to occur. [2] Clement (2004) suggests that.....

https://en.wikipedia.org/wiki/Geomagnetic_reversal

That one I refuse to worry about or plan around.

There are a couple of geology threads

https://www.siliconinvestor.com/searchresults.aspx?where=Subject&SearchStr=geology

and even earthquake threads

https://www.siliconinvestor.com/searchresults.aspx?where=Subject&SearchStr=earthquake

but not really oriented to current earthquakes and volcanoes. Hopefully there won't be a need for one, and this thread can go back to western Pacific fish watching..