Sirena Deep

The Sirena Deep, originally named the HMRG Deep, was discovered in 1997 by a team of scientists from . Its directly measured depth of 10,714 m is third only to the and Horizon Deep, currently the deepest known directly measured places in the ocean.
  • Deep with an elevation of -35,210 feet (-10,732 metres)
  • Description: deep area in Mariana trench
  • Also known as
    “HMRG Deep”
    “HMRG Hawaii Mapping Research Group”
    “Mariana Trench Marine National Monument - Trench Unit”

Sirena Deep

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Latitude
12.0654° or 12° 3′ 55″ north
Longitude
144.58113° or 144° 34′ 52″ east
Open location code
7R463H8J+5F
Geo­Names ID
Wiki­data ID

Satellite Map

Discover this place from above in high-definition satellite imagery.

In Other Languages

From Cebuano to Swedish—“Sirena Deep” goes by many names.
  • Cebuano: “Mariana Trench - HMRG Deep”
  • Chinese: “塞雷娜深淵”
  • Chinese: “瑟琳娜深淵”
  • German: “HMRG Deep”
  • German: “Sirenatief”
  • Japanese: “シレナ海淵”
  • Swedish: “Mariana Trench - HMRG Deep”
  • Swedish: “Sirena Deep”

Guam: Highlights

Learn more about Hagåtña and Dededo.

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