The Shirshov Ridge is located on the eastern border of the Commander Basin below the

Kamchatka Peninsula The Kamchatka Peninsula (, ) is a peninsula in the Russian Far East, with an area of about . The Pacific Ocean and the Sea of Okhotsk make up the peninsula's eastern and western coastlines, respectively. Immediately offshore along the Pacific ...

. It extends directly southward for a distance of toward the

Aleutian Arc The Aleutian Arc is a large volcanic arc of islands extending from the Southwest tip of the U.S. state of Alaska to the Kamchatka Peninsula of the Russian Federation. It consists of a number of active and dormant volcanoes that have formed as a ...

in the eastern part of the

Bering Sea The Bering Sea ( , ; rus, Бе́рингово мо́ре, r=Béringovo móre, p=ˈbʲerʲɪnɡəvə ˈmorʲe) is a marginal sea of the Northern Pacific Ocean. It forms, along with the Bering Strait, the divide between the two largest landmasse ...

(see figure).E. V. Verzhbitsky, M. V. Kononov and V. D. Kotelkin; Plate Tectonics of the Northern Part of the Pacific Ocean; Oceanology, 2007, Vol. 47, No. 5, pp. 705–717; The Shirshov Ridge rises 2–2.5 km above the surrounding basins. Although not immediately evident from the morphology, the Shirshov Ridge southern end extends to meet the northwesternmost portion of

Bowers Ridge The Bowers Ridge is located in the southern part of the Aleutian Basin. It extends over in an arc, starting in the southeast at the Aleutian Arc The Aleutian Arc is a large volcanic arc of islands extending from the Southwest tip of the U.S. ...

. The continuity is evident in structural maps of basement rocks, in magnetic surveys, and in free air gravity field surveys. The connection has been distorted by a sinistral shear fault, which has displaced the point of connection by ~350 km.

References

Underwater ridges of the Bering Sea {{marine-geo-stub

See also

References