A sinkhole in Florida that destroyed two homes and a boat, when it opened July 14, grew another 30 feet or so Friday night.

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The massive hole in the west-central Florida town of Land O' Lakes measures about 260 feet at its widest point, according to the Tampa Bay Times. Two additional homes, which had already been evacuated, were condemned, as well.

Cleanup crews had to stop work after large chunks of ground fell into the hole, which officials say may have been caused by vibrations from trucks and heavy equipment near the hole, the Times reported.

A Pasco County official said there’s no reason to think the hole will grow further, and that cleanup will take at least two weeks, according to the Times.