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June 14, 2011
A fresh temblor in the Canterbury sequence
Christchurch, New Zealand has been plagued by earthquakes for the past year, ever since a M7.1 ripped along a previously unrecognized fault in the Canterbury Plains last September. This quake produced a vigorous aftershock sequence, including most notably a large triggered quake (with its own vigorous aftershocks) directly beneath Christchurch. The city has been reeling from that M6.1 quake for four months, beleaguered by aftershocks and duly warned (as of a week …