Ask the Chatbot Games & Quizzes History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture ProCon Money Videos
Mariana Trench
Introduction References & Edit History Related Topics
Images
Labeled geological cross-section diagram of the Mariana Arc, showing island arc, Mariana Trench, Pacific Plate, old ocean crust, and crustal spreading zones. Colorful soft corals and sponges cover the summit of the East Diamante submarine volcano in the Mariana Trench, with several orange and yellow fish swimming among the reef. U.S. Navy bathyscaphe Trieste Map of the western Pacific Ocean highlighting the location of the Mariana Trench, shown as an orange curved line east of the Mariana Islands and Guam. The map includes surrounding countries such as Japan, the United States, Australia, New Zealand, and the Federated States of Micronesia, with major oceanic and sea regions labeled. Dive deep into the depths of the ocean. Mariana forearc: Northwest Eifuku volcano Deepsea Challenger
Quizzes
wave. ocean. Cresting ocean wave. Large sea waves. storm, hurricane, tropical cyclone
All About Oceans and Seas Quiz

Mariana Trench: References & Edit History

Article Contributors

Primary Contributors

  • The Editors of Encyclopaedia Britannica
    Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.

Other Encyclopedia Britannica Contributors

Article History

Type Description Contributor Date
Modified link of Web site: National Center for Biotechnology Information - PubMed Central - Fungal Abundance and Diversity in the Mariana Trench, the Deepest Ecosystem on Earth. Oct 20, 2026
Add new Web site: Frontiers - Frontiers in Microbiology - Spatial variation and metabolic diversity of microbial communities in the surface sediments of the Mariana Trench. Mar 23, 2026
Add new Web site: ABC listen - Tasmania Afternoons - Exploring the Mariana Trench. Nov 29, 2025
Add new Web site: Microbiome - Deep-sea Bacteroidetes from the Mariana Trench specialize in hemicellulose and pectin degradation typically associated with terrestrial systems. Sep 26, 2025
Add new Web site: Natural History Museum - Water from the deepest point on Earth joins the Museum collection. Jul 26, 2025
Add new Web site: National Center for Biotechnology Information - PubMed Central - Fungal Abundance and Diversity in the Mariana Trench, the Deepest Ecosystem on Earth. Jun 11, 2025
Add new Web site: Center for Coastal and Ocean Mapping/Joint Hydrographic Center - So, How Deep Is the Mariana Trench? (PDF). Mar 20, 2025
Add new Web site: DeepSea Challenge - The Mariana Trench. Dec 12, 2024
Add new Web site: National Centers for Environmental Information - Planet Postcard: The Mariana Trench. Apr 18, 2024
Add new Web site: British Geological Survey - Uncovering secrets of the Mariana Trench. Dec 25, 2023
Added interactive. Nov 16, 2023
Add new Web site: BBC News - Mariana Trench: Deepest-ever sub dive finds plastic bag. Oct 13, 2023
Map added. Jun 05, 2023
Media revised. May 22, 2020
Add new Web site: LiveScience - Mariana Trench: The Deepest Depths. Aug 03, 2018
Added photographs of the submersibles Trieste and Deepsea Challenger. Nov 28, 2017
Added photo of the bathyscaphe Trieste. Feb 14, 2017
Added cross-references. Feb 14, 2017
Media added. Jun 22, 2012
Article thoroughly revised. Mar 28, 2012
Updated to mention its designation as a U.S. national monument. Jan 15, 2009
Article revised and updated. Aug 09, 2007
Added new Web site: Official Site of Mariana Trench, Pacific Ocean. Dec 12, 2006
Added new Web site: The Mariana Trench. Dec 07, 2006
Added new Web site: Smarter Science - The Mariana Trench. Dec 07, 2006
Article added to new online database. Jul 20, 1998
View Changes:
Article History
Revised:
By: