I can’t help noticing there have been an awful lot of
sinkholes opening in the ground lately. Are we under attack from some
malevolent, subterranean menace? How long before the Earth swallows us
Well, not exactly. But a 20-by-30-foot sinkhole has turned up on a soccer field at Northgate Park in north Portland, prompting Portland Parks and Recreation to close the field and surround the sinkhole in fencing while the department investigates the sinkhole's cause. Parks officials say the sinkhole's edges are only one foot deep, but that the center of the sinkhole is as much as 15-20 feet ...