Last Updated：2025/11/23

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(geology, seismology) A longitudinal compressional wave produced by an earthquake.

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P-wave

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Source Word

P-wave

Noun

(geology, seismology) A longitudinal compressional wave produced by an earthquake.

Japanese Meaning

地震により発生する縦方向の圧縮波。 / 地震観測において、最初に到達する波として知られる縦波。

What is this buttons?

The P-wave arrived first, compressing the ground and signaling the onset of the earthquake.

Google Translation / DeepL Translation

初期の圧縮波が最初に到達し、地面を圧縮して地震の発生を知らせた。

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Sense（1）

(geology, seismology) A longitudinal compressional wave produced by an earthquake.

P-waves are the first to arrive; that is, they travel fastest. These are ‘push-pull’ waves analogous to sound waves, in which each particle moves back and forth as the waves propagate.

Google Translation / DeepL Translation

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P-waves

（ plural ）

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P-wave

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P-wave

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