Alerts for a potential tsunami were issued for coastlines in North America, Hawaii, Russia and Japan after a powerful ...

In the past, scientists relied on sonar-equipped ships to map underwater terrain, but this method was slow and expensive. With just 25% of the ocean floor mapped this way, a full picture was far ...

If the entire ocean floor isn't mapped by 2030 — one of many goals of the United Nations' Decade of Ocean Science for Sustainable Development — Wright says the work will continue.

Bedrock Ocean has developed an autonomous underwater vehicle (AUV) that runs for up to 12 hours off its lithium-ion batteries while mapping the floor using its sonar and magnetic sensors.

Scientists work on new ways to map Earth's final frontier: the ocean floor 07:08 May 19, 2023 David Levin, Deep Soundings ...

"To our delight, we've discovered a spectacular chain of ancient seamounts, comprising eight long-dormant volcanoes with peaks up to 1,500 meters [4,900 feet] high and one with a double vent ...