Stanford CA (SPX) Nov 16, 2020
Vibrations travel through our planet in waves, like chords ringing out from a strummed guitar. Earthquakes, volcanoes and the bustle of human activity excite some of these seismic waves. Many more reverberate from wind-driven ocean storms. As storms churn the world’s seas, wind-whipped waves at the surface interact in a unique way that produces piston-like thumps of pressure on the seafloo
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