This is a maclargehuge post in which we witness geologists and seismologists doing the hard investigative work, and determining which fault very probably caused the whole Napa problem. Enjoy!
New at Rosetta Stones: Which Fault’s at Fault for the South Napa Quake?
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And here I always thought that California was just going to fall off the rest of the continent. I’m glad this one seems to have been a minor ‘quake, though I suppose the Big One is inevitable eventually…
That bit of geology-in-the-kitchen sounds like a lot of fun to try with the kids. Although they’re on a volcano craze right now, Middle Child keeps drawing them, one after another. I have a stack of pictures. How do I introduce earthquakes?
Well, there’s this: https://the-orbit.net/entequilaesverdad/2013/12/02/the-cataclysm-one-of-the-most-dramatic-mass-movement-events-of-historic-time/
And harmonic tremors: http://earthquake.usgs.gov/learn/glossary/?term=harmonic%20tremor
We’re supposed to be heading out to Anacortes and Mt. Baker, but remind me, and I’ll whip up a little something for the kids when I get back.