A new satellite has captured the first direct evidence of a mysterious nine-day seismic signal that shook the world in 2023.

In 2023, two enormous mega-tsunamis rocked an East Greenland fjord for nine consecutive days, sending seismic waves around the globe. This extraordinary event puzzled scientists until a new generation of satellite technology provided the first direct evidence confirming the cause: colossal landslides triggered by climate change melting glaciers.