How S waves travel

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Overview of mint, including its cultivation, culinary and medicinal uses, history and mythology, and appearance under the microscope.

© 2025 Thomas Reuters

Two time-lapse videos show Suicide Basin, a glacial-dammed lake, rising in Alaska, July–August 2025. The waters eventually emptied into Mendenhall Lake and Mendenhall River.

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Ecological effects of light pollution.

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Learn about the transmission of P waves (primary waves), which alternately squeeze and stretch the transmitting medium, causing it to move back and forth in the direction of propagation.

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Seismic waves travel in different patterns and at different speeds through the Earth. The most damaging are the surface types—the Love waves and the Rayleigh waves.

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We're picking up earthquake vibrations.

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The shifting rock in an earthquake causes vibrations called seismic waves that travel within Earth or along its surface. The four main types of seismic waves are P waves, S waves, Love waves, and Rayleigh waves.