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was one of the rock's first recorded victims. On April 5, 1958, after twenty-seven months of tunneling and engineering work, Ripple Rock was blown up with 1,375 tons of
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mountain that lay just nine feet beneath the surface of
Seymour Narrows. It was a serious hazard to shipping, sinking 119 vessels and taking 114 lives. The gunboat
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216:. For most of the length of the narrows, the channel is about 750 metres (820 yd) wide. Through this narrow channel, currents can reach 15
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208:. The section known as Seymour Narrows begins about 18 km (11 mi) from the south end of Discovery Passage where it enters the
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Seymour
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The event was broadcast live on
Canadian television. The footage is also regularly screened at the
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making it the largest commercial, non-nuclear blast in North
America. The
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was removed, it remains a challenging route. In March 1981, the freighter
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as "one of the vilest stretches of water in the world." Even after
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wrote a song about the event and released it on their 2004 album
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known for strong tidal currents. Discovery
Passage lies between
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Seymour
Narrows delineates part of the northern extent of the
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from 1844 to 1848. Seymour
Narrows was described by Captain
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Ripple Rock blown up – Unforgettable
Moments – CBC Archives
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except at its northern end where the eastern shoreline is
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Section of
Discovery Passage, British Columbia, Canada
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in 1917 was larger but it was not a deliberate act.
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633:Central Coast of British Columbia geography stubs
480:Environmental History and Features of Puget Sound
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496:Canadian Tide and Current Tables, Vol. 6, 2003
184:is a 5-kilometre (3.1 mi) section of the
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399:(3rd, 1997 ed.), Vancouver: UBC Press,
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33:Approaching Seymour Narrows from the north
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445:"Turbulence spectra from a tidal channel"
443:Grant HL, Stewart RW, Moilliet A (1962).
391:Akrigg, G.P.V.; Akrigg, Helen B. (1986),
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544:, in the New York Times, March 18, 1981
516:Ripple Rock Explosion, Vancouver Island
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230:Rear Admiral Sir George Francis Seymour
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527:Campbell River Museum official website
563:This article about a location on the
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420:"B.C.'s deadly Ripple Rock blown up"
76:Location of Seymour Narrows in the
623:Landforms of the Discovery Islands
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618:Central Coast of British Columbia
565:Central Coast of British Columbia
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220:(28 km/h; 17 mph).
198:Menzies Bay, British Columbia
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571:. You can help Knowledge by
395:British Columbia Place Names
308:Ripple Rock was a submerged
248:ran aground in the narrows.
628:Straits of British Columbia
542:Freighter Aground in Canada
506:Overview of Seymour Narrows
228:The narrows were named for
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537:Navigating Seymour Narrows
449:Journal of Fluid Mechanics
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461:10.1017/S002211206200018X
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175:100 m (330 ft)
167:750 metres (820 yd)
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280:{\displaystyle 10^{8}}
377:BC Geographical Names
336:Campbell River Museum
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122:50.1367°N 125.3533°W
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485:2009-05-13 at the
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232:who commanded the
127:50.1367; -125.3533
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372:"Seymour Narrows"
329:Halifax Explosion
186:Discovery Passage
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154:Discovery Passage
78:Discovery Islands
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455:(2): 241–268.
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573:expanding it
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150:Part of
351:Ripple Rock
304:Ripple Rock
298:Ripple Rock
242:Ripple Rock
125: /
100:Coordinates
612:Categories
466:2024-06-26
429:2024-06-26
358:References
292:Salish Sea
164:Max. width
113:125°21.2′W
342:Vancouver
325:explosive
310:twin-peak
260:of about
252:Hydrology
224:Etymology
110:50°08.2′N
483:Archived
321:Nitramex
85:Location
523:(Video)
316:Saranac
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144:Strait
93:Canada
344:band
218:knots
212:near
569:stub
401:ISBN
314:USS
200:and
139:Type
457:doi
323:2H
196:at
188:in
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269:10
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273:8
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