Comment on Japan Issues First Ever Mega Earthquake WarningComments−jrmcauliffe2yI didn't realise we had 18 mile depths.−sparky_z2yTo be clear, that's not referencing ocean depth to the sea floor. It means the epicenter is located 18 miles down inside the Earth's crust.
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I didn't realise we had 18 mile depths.
To be clear, that's not referencing ocean depth to the sea floor. It means the epicenter is located 18 miles down inside the Earth's crust.