All trenches
IndianSubduction trench
Java (Sunda) Trench
Eastern Indian Ocean, south of Java and Sumatra
The deepest point in the Indian Ocean and source of the 2004 Indian Ocean tsunami.
Max depth
7,290 m
Length
3,200 km
Deepest point
Java Deep
First explored
1950s
Timeline
Exploration
- 1950sSystematic sonar mapping begins.
- 2019First crewed dive to Java Deep.
Abyssal fauna
Life at pressure
Hadal snailfishStalked sea squirtsAmphipods
Recent dives found species previously unknown to science.
Science
Scientific facts
- 2004 Sumatra–Andaman M9.1 earthquake ruptured this margin.
- One of the longest trenches on Earth.
Seafloor geology
Rock & structure
- Accretionary prism sediments
- Oceanic basalt
- Mud diapirs