
Chile was rocked by the largest aftershock since last month's devastating earthquake today - just minutes before the inauguration of President Sebastian Pinera. The 7.2-magnitude aftershock was stronger than the January 12 quake that devastated the Haitian capital of Port-au-Prince.
It happened along the same fault zone as the South American country's magnitude-8.8 quake on February 27 that killed hundreds. Following the aftershock, Chile's Navy issued a tsunami warning.
Geophysicist Don Blakeman at the U.S. Geological Survey in Golden, Colorado, said: 'When we get quakes in the eight range, we would expect to see maybe a couple of aftershocks in the seven range.' Mr Blakeman said Chile now can expect to feel 'aftershocks of the aftershock'.
'It's not a sign of anything different happening. But what does occur when you get these large aftershocks, typically we have a whole series of aftershocks again,' he said.
The temblor rocked buildings and shook windows in Santiago, and provoked nervous smiles among dignitaries arriving for the ceremony at the congressional building in coastal Valparaiso.
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