They can happen in both
The vast majority of the world's volcanoes are above sea level.
jks
Volcanoes that are underwater, known as submarine volcanoes. The deepest one is the Submarine 1922 in the Celebes Sea near the Sanghie Islands of Indonesia, and it is 16,000 feet (5,000 meters) below sea level.
Above sea level
Romania is above sea level.
above
Yes. with the exception of the part below ground such as the coal mines. I think you may be asking if its above or below sea level. It is above.
what distance is nether heage de56 2jx above or below sea level
The surface of the Lake Superior is above sea level; the deepest part is about 600 feet below sea level.
Deserts are overall above sea level but may contain areas below sea level. Death Valley in the Mojave Desert of California is below sea level in some parts.
above sea level
Parts of France are both above and below sea level. The lowest point in France is in the Rhone River delta, below sea level, while the majority of the country is above sea level. The highest point in France is Mont Blanc, which rises to 4,810 meters (15,781 feet) above sea level.