Quote:
Originally Posted by hammersklavier
Philly had an earthquake a couple of years back, too.
The reason I doubt we're "overdue" for a major quake is because earthquakes here aren't driven by lateral plate movements the way they are on the West Coast and hence are relatively unlikely and even less predictable. Quakes here seem to be driven more by settling.
The New York area seems to be the remnant of an old triple junction. There's a filled-in ancient rift valley that extends west from the city and between Philadelphia and Allentown. Cool, eh?
I didn't know Charleston was in an earthquake region, too. I wonder what drives the New Madrid and Charleston hotspots? They're otherwise in the middle of the plate.
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Off-topic, but the prevailing theory is that these earthquakes happen along ancient faults that formed with the breakup of Pangaea. These areas are relatively weak and can be prone to continental movements/earthquakes even if they are in the center of tectonic plates. (Ancient geology! It's interesting and relevant!)
Please return to your regularly scheduled FMC discussion. (FWIW, as a Bostonian, I love what y'all have going on down in Philly, and would love to get a building similar to this in my fair home.)
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