Petrology: GK, Current Affairs, Questions, Trivia and News

New Zealand’s White Island erupts

The White Island volcano of New Zealand erupted in early December. White island, also known as Whakaari, is located about 50 km from the eastern coast of North Island in a region known as the Taupo Volcanic Zone. It is the country’s most active volcano and it belongs to the stratovolcano category (volcanoes characterized by ..

Triggered tsunami killed at least 281 in Indonesia

In Indonesia, a volcano-triggered tsunami has killed at least 281 people and injured more than thousand in Sunda Strait. Hundreds of buildings were destroyed by the wave, which hit the coast of southern Sumatra and the western tip of Java after a volcano known as Anak Krakatoa (the “Child of Krakatoa”) erupted. Anak Krakatoa has ..

The Fuego volcano erupted in Guatemala

The Fuego volcano is an active stratovolcano in Guatemala that has recently erupted violently and buried several villages on its southern flank. The death toll has risen to 99 in the Fuego volcano eruption. The National Forensic Sciences Agency stated that, of the 99 people, only 28 have been identified, so far. Some 200 people ..

Calcium Silicate Perovskite

Geologists have discovered a mineral known as calcium silicate perovskite (CaSiO3) trapped inside a tiny diamond that was mined from less than a kilometer of the earth’s surface at the Cullinan Mine in South Africa.  For so long, the mineral existed in theory in spite of the fact it is fourth most abundant mineral inside ..

Havre- world’s largest deep ocean volcanic eruption

Researchers have found that the world’s largest deep ocean volcanic eruption happened in New Zealand. Named as Havre, the deep ocean volcanic eruption was first discovered in 2002. A solidified volcanic rock known as pumice raft – 400 square kilometres in size – found floating in the ocean near New Zealand in 2012 showed that underwater ..