Do seamounts rise above the sea level to form islands?

The seafloor is colored according to depth, with cooler colors in deeper areas and warmer colors at shallower depths; islands above sea level are green. The bathymetry is ... Volcanic arcs can be on land or underwater, or can be a combination of islands and submarine volcanoes, like in the Mariana Arc. read more

This can happen, and would have happened in the past. When the water levels would reduce, hence an island may have been appeared. But since the 20th century, the rise of Global Warming has seen the water levels rising constantly. read more

Seamounts are typically formed from extinct volcanoes that rise abruptly and are usually found rising from the seafloor to 1,000–4,000 m (3,300–13,100 ft) in height. They are defined by oceanographers as independent features that rise to at least 1,000 m (3,281 ft) above the seafloor, characteristically of conical form. read more