Following are a number of back-translations as well as a sample translation for translators of Psalm 77:18:

• Chichewa Contempary Chichewa translation, 2002/2016:
  “Your thunder was heard in the whirlwind,
  your lightening lighted the whole land;
  the earth trembled and shook.” (Source: Mawu a Mulungu mu Chichewa Chalero Back Translation)
• Newari:
  “The sound of resounding thunder
  was heard from all over the heavens.
  Lightning flashed all around.
  The earth trembled and quaked.” (Source: Newari Back Translation)
• Hiligaynon:
  “Thunder was-heard among the storms;
  the flashes-of-lightning caused- the world -to-be-lit-up;
  and the earth quaked.” (Source: Hiligaynon Back Translation)
• Laarim:
  “People heard your thunder in the wind,
  your lightening shines all over the land,
  the earth shook, and the earthquake caught the earth.” (Source: Laarim Back Translation)
• Nyakyusa-Ngonde (back-translation into Swahili):
  “Sauti ya radi yako ikasikiwa katika kimbunga.
  Mwanga wa radi ukamulika duniani poote,
  duniani pakatetemeka na kutikisika.” (Source: Nyakyusa Back Translation)
• English:
  “Thunder crashed in the whirlwind, and lightning lit up/flashed across the entire sky;
  the earth shook violently.” (Source: Translation for Translators)