fionasmyth13.bsky.social
fionasmyth13.bsky.social
@fionasmyth13.bsky.social
Reposted by fionasmyth13.bsky.social
OK, this is wild.

In September 2023, geophysicists across the world started monitoring a very odd signal coming from the ground under them.

It was picked up in the Arctic. And Antarctica. It was detected everywhere, every 90 seconds, as regular as a metronome, for *nine days*.

What the HELL?

1/
May 12, 2025 at 3:20 PM