A vast "raft" of volcanic rocks stretching over 150 sq km (58 ... "It is a phenomenon reported over time, usually as islands in the middle of the ocean that people encounter but then can't find ...

Scientists used sonar equipment to image the giant chunks of rock that slid into the ocean when one side of Anak Krakatau collapsed. Some of these blocks are 70-90m high. Their plunge into the ...

By studying prehistoric rocks and fossils emerging from the side of Mount Ashibetsu in Japan, researchers have precisely refined the timing and duration of Ocean Anoxic Event 1a (OAE 1a), an ...

organic carbon-rich shales that matched samples—in composition and age—from both the Atlantic Ocean and rock formations in Italy. Widespread lack of oxygen was the most likely explanation for ...