The strange rumble was detected mid-September last year. An odd seismic signal appeared at scientific stations around the globe, but it didn’t look like the busy squiggles of an earthquake.

A geologic mystery that has lingered for the past year has finally been solved: What caused an odd cascade of vibrations to ripple across the globe for nine days? Using classified seafloor maps ...

A new study, involving University College London (UCL) researchers, concluded that the movement of water was the cause of a mysterious, global seismic signal that lasted for nine days and puzzled ...

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For five days, the crew of the Polaris Dawn mission completed a number of objectives that could one day bolster deep-space ...

Seismic data collected around the world (along with satellite imaging) confirmed that the event—which propagated around the world for a staggering nine days—was caused by a rockslide that ...

An odd seismic signal started appearing at scientific stations around the globe last September, but it didn’t look like the busy squiggles of an earthquake. Photo / 123RF The strange rumble was ...