There have been around 30 earthquakes and severe aftershocks off the coast of Chile in the past 24 hours maps from the US Geological Survey show.
Yesterday a areas were evacuated when an 8.2 magnitude quake sparked a tsunami alert.
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The PM faces a countdown to settle a deal before her minority government tries to get its Queen's Speech plans approved by the Commons.
More details will come today on proposals to offer EU residents the right to a new "settled status" in Britain after it leaves the bloc.
Scotland and Northern Ireland could see rain later but for the rest of the UK it should be a fine day.