A growing chorus of seismologists in Washington and California are taking pains to point out that the upcoming NBC miniseries "10.5", about a catastrophic earthquake, is just TV. (The promos feature a startling image of Seattle's Space Needle toppling.)

The four-hour show depicts a huge quake, centered under Ellensburg, that devastates the West Coast. Officials try to quell the quake with nuclear blasts.

"There's no basis for using a nuclear device to stop an earthquake," a University of Washington official said in a (real) press release Monday.

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