‘Mega-tsunami’ mystery solved — source of seismic activity that shook the world for 9 days revealed

New York Post

By Ben Cost
Published June 3, 2025, 9:49 a.m. ET

This ought to cause a wave of panic.

Back in 2023, scientists were perplexed by a mysterious seismic signal that shook the world every 90 seconds for nine days.

Now, two years later, satellite footage has revealed the frightening source of these vibrations — giant mega-tsunamis sloshing around a Greenland fjord, per a “Nature Communications” study.

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