posted
There was an earthquake in Lebanon, PA early this morning. I've never been in an earthquake before. It was wierd, there was a rumble like thunder, then the whole house shook for a couple of seconds, a few more seconds of rumbling and then it was over. It was only 3.3 or so though. Still, a new experience.
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I use to live right on the edge of the Everglades here in Florida. Several miles away they would frequently do blast mining for limestone. I was 2-3 miles away, but when the charges would go off the whole house would shake for a few seconds. Really unsettling.
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posted
Based on the link, I'd say yeah it was a true quake.
We had one here in Chicago a couple years ago that I didn't realize was a quake until I read the news the next day. I live so close to the railroad tracks that I thought it was just a heavily-loaded freight hitting the track switch that's a few hundred yards from my back door.
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posted
I forget the number of the one we had in May, it was pretty similar I think. (Here is Indiana)
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posted
Some news reports said there was minor damage, which usually means things falling off shelves. That would be more typical of a quake of magnitude 4 or better. But this was a shallow quake, whereas a deep one might have been five or more miles farther down, so people over the epicenter would have been really close. The USCGS also said it lasted twenty seconds, although most people felt it for far less. That often means the earth ripped along a considerable distance, which in turn can mean that people who live where all the earthquake waves happen to arrive at the same time can get a much larger jolt.
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