AN AMATEUR ASTRONOMER USING GOOGLE MAPS SPOTTED A STRANGE INDENTATION.     IT TURNED OUT TO BE A METEORITE CRATER FROM 390 MILLION YEARS
https://www.smithsonianmag.com/smart-news/an-amateur-astronomer-using-google-maps-spotted-a-strange-indentation-it-turned-out-to-be-a-meteorite-crater-from-390-million-years-ago-180989158/

Scientists confirmed the astronomer’s suspicions with an expedition to the site in Quebec. The discovery offers a rare case of a reported new crater turning out to be real.