1400 years ago Arabs knew that sand dunes can cave-in beneath them, however nobody knew that rocky mountains can cave-in as well. This was portrayed in the Quran 1400 years before it was discovered Quran 17:68
1400 years ago people though that Earth was flat and static. Today we know this is false, Earth is a rotating sphere. The Quran says that when the night and the day overlap, they make a ball (sphere): Quran 39:5. The Arabic word "Kura كرة" means ball; the Quran used its verb "Yukawer يُكَوِّرُ" meaning to make into a ball. The Quran says that the overlapping of the night and the day makes a ball (sphere).
Earth brings out its loads by volcanic eruptions. In the Quran earthquakes precede volcanic eruptions. Quran 99:1-2
Earthquakes are vibrations caused by sudden displacement of land. This was only known recently, however this was portrayed in the Quran 1400 years before it was discovered. Quran 67:16
In earthquakes most of the energy is released by the mainshocks (first quake). The rest of the energy is released by the following weaker aftershocks that may or may not be felt by humans. This was portrayed in the Quran 1400 years before it was discovered. Quran 76:6
Earth's crust has been slowly moving for billions of years. Not only mountains are slowly moving but also whole continents. Thhese are due to tectonic plates, while this was known recently, this was portrayed in the Quran 1400 years before it was discovered. Quran 27:88