The 2010-2011 sequence broke faults that had not been mapped before it began; the February 2011 aftershock was smaller than the mainshock but far shallower and closer, and liquefaction of the Avon River silts drove much of the damage.
72-hour composite hazard forecast
Recorded in the selected 14d period
Largest earthquake in the selected 14d period
Seismotectonic hazard assessment, structural exposure & historical context
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Living within 180 km of the city centre
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Mixed construction stock with regional engineering standards
Transform / Strike-Slip
Major plate boundary with high strain accumulation
No significant earthquakes recorded in the selected 14d period.
Every recorded earthquake in this area — filter by time range and sort by time or severity.
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