Tsumami on the Delaware River in 1817!

By: DonnieBwkGA , 6:31 PM GMT on September 21, 2013

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On January 8, 1817 a mag 7.4 earthquake happened about 450 miles east of the South Carolina coast. A detailed article about it is here. This earthquake seems to have been more powerful than the 1929 Grand Banks earthquake (mag 7.2) and the 1886 Charleston SC earthquake (mag 7.3). If so then this earthquake is the most powerful known in the western Atlantic.

The USGS report is here.

If it happened again today I'm not sure if the tsunami or panic would be more destructive. Hopefully we won't find out in our lifetime.

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About DonnieBwkGA

Baton Rouge born. Army medic in Afghanistan. Took computer courses. Now in Brunswick GA as a systems admin at the local hospital.