Scientists urged residents of northern Nevada’s largest city to prepare for a bigger event as the area continued rumbling Saturday after the largest earthquake in a two-month-long series of temblors.

More than 100 aftershocks were recorded on the western edge of the city after a magnitude 4.7 quake hit Friday night, the strongest quake around Reno since one measuring 5.2 in 1953, said researchers at the seismological laboratory at the University of Nevada, Reno.

The latest quake swept store shelves clean, cracked walls in homes and dislodged rocks on hillsides, but there were no reports of injuries or widespread major damage.

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