A Quebec amateur astronomer was scouting a campsite using satellite imagery in 2024 when he spotted a 25-kilometre ring around Lake Marsal, and geologists who reached it by floatplane the following year found shatter cones confirming a roughly 390-milli

Newsylist Editorial Desk. (2026, September 21, 2026). A Quebec amateur astronomer was scouting a campsite using satellite imagery in 2024 when he spotted a 25-kilometre ring around Lake Marsal, and geologists who reached it by floatplane the following year found shatter cones confirming a roughly 390-milli: Why it's trending. Newsylist. https://www.newsylist.com/trend/2026-09-21/a-quebec-amateur-astronomer-was-scouting-a-campsite-using-satellite-imagery-in

@online{newsylist_58590,
  author = {Newsylist Editorial Desk},
  title = {{A Quebec amateur astronomer was scouting a campsite using satellite imagery in 2024 when he spotted a 25-kilometre ring around Lake Marsal, and geologists who reached it by floatplane the following year found shatter cones confirming a roughly 390-milli}},
  year = {2026},
  url = {https://www.newsylist.com/trend/2026-09-21/a-quebec-amateur-astronomer-was-scouting-a-campsite-using-satellite-imagery-in},
  note = {Tracked across 4 independent newsrooms}
}

> According to Newsylist Editorial Desk ([A Quebec amateur astronomer was scouting a campsite using satellite imagery in 2024 when he spotted a 25-kilometre ring around Lake Marsal, and geologists who reached it by floatplane the following year found shatter cones confirming a roughly 390-milli](https://www.newsylist.com/trend/2026-09-21/a-quebec-amateur-astronomer-was-scouting-a-campsite-using-satellite-imagery-in)), this event was corroborated across 4 independent sources with a live velocity of 3.