thumb|right|300px|Topographic image of the northwest Pacific including the Kuril-Kamchatka Trench.

The Kuril–Kamchatka Trench or Kuril Trench (, Kurilo-Kamchatskii Zhyolob), known in Japan as , is an oceanic trench in the northwest Pacific Ocean. It lies off the southeast coast of Kamchatka and parallels the Kuril Island chain to meet the Japan Trench east of Hokkaido. It extends from a triple junction with the Ulakhan Fault and the Aleutian Trench near the Commander Islands, Russia, in the northeast, to the intersection with the Japan Trench in the southwest.

History

The trench was first discovered during an oceanographic and hydrographic survey by the USS Tuscarora. The ship had detected a depth of 4655 fathoms.

{| class="wikitable"

|-

! Date

! Location

! Magnitude

|-

|3 February 1923

|Kamchatka, Russia

|

|-

|13 April 1923

|Kamchatka, Russia

|

|-

|2 March 1933

|Sanriku-oki, Japan

|

|-

|4 November 1952

|Kamchatka, Russia

|

|-

|6 November 1958

|Kuril Islands, Russia

|

|-

|13 October 1963

|Kuril Islands, Russia

|

|-

|4 October 1994

|Kuril Islands, Russia

|

|-

|25 September 2003

|Hokkaido, Japan

|

|-

|15 November 2006

|Kuril Islands, Russia

|

|-

|24 May 2013

|Sea of Okhotsk

|

|-

|18 July 2017

|Kamchatka, Russia

|

|-

|25 March 2020

|Kamchatka, Russia

|

|-

|29 July 2025

|Kamchatka, Russia

|

|}

See also

  • Kamchatka earthquakes
  • Ring of Fire

References

  • Kamchatka & Kuril Islands: Regional Map and Introduction, www.skimountaineer.com, accessed 25 October 2022