The center line looked as if it was running over an active fault line.

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The trench is a highly active fault line running north from New Zealand towards Tonga and Samoa.

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Bantul is only 200km (125 miles) north of one of the world's most active fault lines, where the Indo-Australian and the Eurasian plates meet.

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The panel has said the D-1 could move simultaneously with a major active fault called Urazoko located near the plant's No. 1 and No. 2 reactors, and could affect important facilities above it.

WSJ: Panel: Active Fault Runs Beneath Japan Reactor

The panel, comprised of Mr. Shimazaki and four academics, has been saying the No. 2 reactor is likely to be sitting above an active fault, defined as one that has shifted during the past 120, 000 to 130, 000 years.

WSJ: Panel: Active Fault Runs Beneath Japan Reactor

But he said Congress was partly at fault for not giving clear instructions about when politically active 501(c)(4) organizations cross the line.

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