Eruptions
Waves
Both words in one sentence
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Black Moon Chronicles: When the Black Moon leaves its orbit to crash into the world, the moon's gravitational pull starts to cause earthquakes, volcanic eruptions, and massive tidal waves.
Source: Giant Wall of Watery Doom - Because of the moon's odd orbit, every eight years the planet and moon get so close together that their atmospheres collide, causing groundquakes, tidal waves, and volcanic eruptions, destroying everything on the planet.
Source: Vicious Cycle -
In addition, any geological faultlines near an impact site let go completely, causing massive earthquakes and volcano eruptions (and for the purposes of the story, "nearby" means "within a thousand miles") killing many of those who survive the tidal waves.
Source: Literature / Lucifer's Hammer
Cite this Source
Waves and Eruptions. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/eruptions/waves
Eruptions & Waves. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/eruptions/waves>.
Waves or Eruptions. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/eruptions/waves.
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