How Do New Fault Lines Form? (Ask An Editor)

[riky]

How Do New Fault Lines Form? (Ask An Editor)

<img
src="You are not allowed to view links. Register or Login" alt="" width="262" height="389" align="right" />On Tuesday, February 22 Christchurch, New Zealand, was devastated by a major earthquake. Scientists now think that the quake was caused by a previously unknown fault line. We asked John Rafferty, Britannica's earth sciences editor, to help us understand what a fault is and how they can appear.

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