Map of the Expedition 370 Drill Site. (IMAGE) Deep Carbon Observatory Caption Expedition 370 will head to the Nankai Trough (latitude/longitude 32.3423, 134.9564) off the coast of Japan to find the temperature limit of Earth-style life. Credit Deep Carbon Observatory Source: TOPEX Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.