New study looks for signs of a big earthquake before it's realized

Rescue workers watch as a heavy machine dig through rubble searching for earthquake victims on Thursday in Palu, Central Sulawesi, Indonesia.
Rescue workers watch as a heavy machine dig through rubble searching for earthquake victims on Thursday in Palu, Central Sulawesi, Indonesia.
Dita Alangkara/AP

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A new study out of the University of Oregon looks at whether there's a correlation between the speed at which the earth moves in the beginning seconds of an earthquake and how big it becomes.