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Map of world's major seamounts. A list of active and extinct submarine volcanoes and seamounts located under the world's oceans. There are estimated to be 40,000 to 55,000 seamounts in the global oceans. [1] Almost all are not well-mapped and many may not have been identified at all. Most are unnamed and unexplored.
Map of Earth's plate boundaries and active volcanoes More detailed map showing volcanoes active in the last 1 million years These lists cover volcanoes by type and by location. Type
Submarine volcanoes are underwater vents or fissures in the Earth's surface from which magma can erupt. Many submarine volcanoes are located near areas of tectonic plate formation, known as mid-ocean ridges. The volcanoes at mid-ocean ridges alone are estimated to account for 75% of the magma output on Earth. [1]
Name Elevation Location Last eruption meters feet Coordinates; Malumalu: Last 8,000 years Ta‘u-931: 3054: 30,000 years ago [15]: Ofu-Olosega: 639: 2096: 1866 unnamed submarine cone eruption
The Data source link above is now dead. Potentially active/active volcanoes appear to have been mapped if erupted within about last 10,000 odd years with an accuracy of about 50 km (31 mi) onto current basemap. Some active volcanoes are not shown and divergent plate boundaries may have inaccuracies. The map has not been updated since 2015.
Sea surface temperatures on July 10, 2023. The area off the coast of southwest Florida shows temperatures had reached 91 degrees Fahrenheit (32.5 degrees Celsius). (NOAA) The marine heat wave off ...
Name Elevation Location Last eruption meters feet Coordinates; Bowie Seamount-24-79: 18,000 BC Adams Seamount-59-194: 50 BCE Axial Seamount-1410: 4626: 1998
Map showing major volcanoes of the Philippines. The 1991 eruption of Mount Pinatubo is the world's second-largest eruption of the 20th century. Successful predictions of the onset of the climactic eruption led to the evacuation of tens of thousands of people from the surrounding areas, saving many lives, but as the surrounding areas were ...