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Astronomycast, episode 277, from Monday, October 22, 2012, orbit.

Welcome to astronomycast, our weekly facts-based journey through the cosmos

where we help you understand not only what we know, but how we know what we know.

My name is Fraser Cain, I'm the publisher of university, and with me is Dr. Pamela Gaia Professor

at Southern Illinois University, Everett'sville.

And Pamela, how you doing?

I'm doing well, how are you doing, Fraser?

Good, so a bunch of people asked me if I had gotten hit by this recent earthquake

that happened off the coast of Prince Rupert, and I'm totally fine, didn't even feel it.

No tsunami was generated, so I don't think there was any injuries, no damage.

It was a pretty tame 7.7 magnitude earthquake, which is quite surprising.

It's always good when they're in largely unpopulated areas like Canada.

...