During the period from 21st November to 28th December 1998 BGR acquired seismic lines off Sumatra and Java during cruise SO137 with RV SONNE. The lines SO137-24, SO137-35 and SO137-35C are raw data. The lines SO137-01, SO137-02, SO137-03, SO137-06, SO137-06A, SO137-07, SO137-09, SO137-09A, SO137-10, SO137-11, SO137-12, SO137-12A, SO137-14, SO137-14A, SO137-14B, SO137-19, SO137-20, SO137-21, SO137-22, SO137-23, SO137-25, SO137-26, SO137-27, SO137-28, SO137-29, SO137-30, SO137-31, SO137-32, SO137-33, SO137-34, SO137-34A, SO137-36, SO137-36A, SO137-37, SO137-38, SO137-38A, SO137-39, SO137-39A, SO137-40, SO137-41, SO137-42, SO137-42A and SO137-42B are migrated data.