Vertical Datums: Where Exactly Is Sea Level?
"Sea level" sounds like a simple, universal reference — but it's actually a contested surface that varies between countries, once causing a German-Swiss bridge to nearly miss its connection by…
Discover our planet, one place at a time
"Sea level" sounds like a simple, universal reference — but it's actually a contested surface that varies between countries, once causing a German-Swiss bridge to nearly miss its connection by…
The geological principle of isostasy explains how the Earth's rigid crust "floats" on the denser, flowing mantle beneath. Using the analogy of an iceberg, we can see how massive mountain…
The Earth is still recovering from the last Ice Age, causing vast landmasses to slowly rise in a process called post-glacial rebound. This geological phenomenon is actively reshaping coastlines from…
Ever wonder why mountains soar and oceans plunge? The answer lies in isostasy, the geological principle that Earth's crust floats on the denser mantle below, much like an iceberg in…