1985 Nahanni earthquakes
1985 Nahanni earthquakes is located in Northwest Territories
1985 Nahanni earthquakes
1985 Nahanni earthquakes is located in Canada
1985 Nahanni earthquakes
UTC time1985-12-23 05:16:05
ISC event509142
USGS-ANSSComCat
Local dateDecember 22, 1985 (1985-12-22)
Local time22:16:05
Magnitude6.9 Mw
Depth6.0 km (3.7 mi)
Epicenter61°31′N 125°17′W / 61.51°N 125.29°W / 61.51; -125.29
TypeReverse
Areas affectedCanada
Max. intensityVI (Strong) [1]
AftershocksYes
CasualtiesNone

The 1985 Nahanni earthquakes is the name for a continuous sequence of earthquakes that began in 1985 in the Nahanni region of the Northwest Territories, Canada.[2] The largest of these earthquakes occurred on December 23, reaching 6.9 on the moment magnitude scale.[2] This is one of the most significant earthquakes in Canada during the 20th century.[3] The earthquakes had a long succession of aftershocks and jolts.[2] The earthquakes amazed both the general public and the earth science community and have been felt in the Yukon, Alberta, Saskatchewan, British Columbia, and southeastern Alaska.[2]

See also

References

  1. "M 6.9 - Northwest Territories, Canada". earthquake.usgs.gov. U.S. Geological Survey. Retrieved 6 March 2022.
  2. 1 2 3 4 Natural Resources Canada: Rock and Roll in the N.W.T.: The 1985 Nahanni Earthquakes Archived 2009-02-10 at the Wayback Machine
  3. Natural Resources of Canada: Significant Earthquakes in Canada Archived 2008-10-13 at the Wayback Machine

Sources

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