UPDATES, 8:45 a.m.:

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UPDATE: Downgraded to 6.5. Still!

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A pretty big earthquake — 6.8! — struck offshore just before 7 a.m. this morning, and seems to have been felt all around the region. The house rocked back and forth pretty slowly here at LoCO HQ. A long, rolling wave.

No tsunami threat.

More information at the USGS.