Saturday, September 24, 2022

Vulcanism and global warming...the connection

Underwater volcanoes could have a long-term effect on Earth's climate cycles.

A new study out of Columbia University shows that these hidden giants are not only tied to the Earth's orbit and tidal cycles, but also trigger climate swings. 

(MORE: 25 Incredible Landscapes Shaped by Volcanoes

“People have ignored seafloor volcanoes on the idea that their influence is small—but that’s because they are assumed to be in a steady state, which they’re not,” marine geophysicist Maya Tolstoy, the study's author, said in a statement. 

The study, published recently in the journal Geophysical Research Letters, shows that underwater volcanoes defy expectations and erupt in bursts rather than a slow pace

But that's not all. 

Analyzing 25 years of seismic data from submarine volcanoes, Tolstoy and her team found that underwater volcanism affects the climate by emitting varying levels of carbon dioxide into the atmosphere. Higher levels of carbon dioxide in the atmosphere, then, could trigger a cycle of global warming. 

While the link between marine volcanism and global climate cycles is not definite, the study opens the way for other scientists to explore the relationship between the Earth's crust and the ozone layer. 

Currently erupting


Updated: Sep 24, 2022 19:44 GMT - 4 hours ago refresh
Europe and Atlantic Ocean:
  •  Askja (Central Iceland)
Africa and Indian Ocean:
  •  Dukono (Halmahera, Indonesia)
  •  Ibu (Halmahera, Indonesia)
  •  Krakatau (Sunda Strait, Indonesia)
  •  Merapi (Central Java, Indonesia)
  •  Semeru (East Java, Indonesia)
  •  Lewotolo (Lesser Sunda Islands, Indonesia)
  •  Sinabung (Sumatra, Indonesia)
  •  Karangetang (Siau Island, Sangihe Islands, Indonesia)
  •  Kerinci (Sumatra, Indonesia)
  •  Raung (East Java, Indonesia)
Aleutians, Alaska and North America:
Mexico, Central America and Carribean:
South America:
Other regions:
  •  Erebus (Antarctica)
  •  Michael (South Sandwich Islands, UK)
Pacific Ocean:
  •  Kilauea (Hawai'i)
  •  Home Reef (Tonga Islands)
  •  Yasur (Tanna Island, Vanuatu)
  •  Kadovar (Northeast of New Guinea, Papua New Guinea)
  •  Bagana (Bougainville Island, Papua New Guinea)
  •  Aoba (Vanuatu)
  •  Maunaloa (Big Island, Hawai'i)
  •  Fernandina (Galápagos Islands, Ecuador)
  •  Manam (Papua New Guinea)
  •  Langila (New Britain, Papua New Guinea)
  •  Kavachi (Solomon Islands)
  •  Ta'u (United States, Samoan Islands)
  •  Gaua (Vanuatu)
  •  Tofua (Tonga Islands)
  •  White Island (New Zealand)
  •  Taupo (New Zealand)
Ring of Fire (Kurile Islands to Philippines):
  •  Shiveluch (Kamchatka)
  •  Ebeko (Paramushir Island, Kuril Islands)
  •  Sakurajima (Kyushu, Japan)
  •  Suwanose-jima (Ryukyu Islands, Japan)
  •  Bezymianny (Central Kamchatka Depression, Kamchatka)
  •  Karymsky (Kamchatka)
  •  Alaid (Atlasov Island, Northern Kuriles)
  •  Kikai (Ryukyu Islands, Japan)
  •  Nishino-shima (Volcano Islands, Japan)
  •  Iwo-jima (Volcano Islands, Japan)
  •  Taal (Luzon, Philippines)
  •  Mayon (Luzon Island, Philippines)
  •  Canlaon (Central Philippines, Philippines)

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