Why seismic waves spontaneously race inside the Earth
Earthquakes, volcanic eruptions, shifting tectonic plates—these are all signs that our planet is alive. But what is revealed deep inside Earth surprises laymen and scientists alike: Almost 3000 kilometers below Earth's surface, solid rock is flowing that is neither liquid, like lava, nor brittle, like solid rock.
Earthquakes, volcanic eruptions, shifting tectonic plates—these are all signs that our planet is alive. But what is revealed deep inside Earth surprises laymen and scientists alike: Almost 3000 kilometers below Earth's surface, solid rock is flowing that is neither liquid, like lava, nor brittle, like solid rock.
