1985 Nahanni earthquakes

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.[1] The largest of these earthquakes occurred on December 23, reaching 6.9 on the moment magnitude scale.[1] This is one of the most significant earthquakes in Canada during the 20th century.[2] The earthquakes had a long succession of aftershocks and jolts.[1] 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.[1]

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
Epicenter61.51°N 125.29°W / 61.51; -125.29
TypeReverse
Areas affectedCanada

See also

References
  1. Natural Resources Canada: Rock and Roll in the N.W.T.: The 1985 Nahanni Earthquakes Archived 2009-02-10 at the Wayback Machine
  2. Natural Resources of Canada: Significant Earthquakes in Canada Archived 2008-10-13 at the Wayback Machine

Sources

  • Boore, D.; Atkinson, G. M. (1989), "Spectral scaling of the Nahanni earthquakes" (PDF), Bulletin of the Seismological Society of America, 79 (6): 1736–1761
  • Wetmiller, R. J.; Horner, R. B.; Hasegawa, H. S.; North, R. G.; Lamontagne, M.; Weichert, D. H.; Evans, S. G. (1988), "An analysis of the 1985 Nahanni earthquakes", Bulletin of the Seismological Society of America, 78 (2): 590–616
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