Assoc. "Queen Charlotte has been such a moving character to write and now having the opportunity to work with Julia to adapt this story into a book is such an exciting opportunity," Rhimes said in a . - Am. An official website of the United States government. Oblique subduction along the plate boundary in the late Cenozoic resulted in uplift and folding of portions of the northern half of the basin. [5] Deformation largely occurs on what appears to be a single strike-slip structure. Major deep-sea fans alongmore southeast Alaska show a southeastward age progression from older to younger and record both point source deposition at Chatham Strait and Dixon Entrance and subsequent (Quaternary ) offset along the fault system. THE FAULT Queen Charlotte's fault, named after its located near Queen Charlotte's Islands in Canada, is a transform fault of approximately 700 km long (see figure 1). A lock () or https:// means youve safely connected to the .gov website. Southwest of Kodiak Island, subduction ridges create mid-slope basins that trap modern sediment. According to the UK Royals' website, the "Queen's music-master was Johann Christian Bach, who was the eleventh son of the great composer Johann Sebastian Bach. The fault has been difficult to study because it is located almost entirely offshore in water depths of greater than 500 feet. [1][2] It is Canada's right-lateral strike-slip equivalent to the San Andreas Fault to the south in California. Portrait painters of the royal family played down Charlottes African features, much to the Queens dismay. The purpose of the proposed study is to characterize an approximately 450-km segment of the fault that encompasses systematic variations in key parameters in space and time: (1) Changes in fault obliquity relative to Pacific-North American plate motion leading to increased convergence from north to south; (2) Pacific plate age and theoretical There was margin subduction prior to the Eocene. From the beginning, this project has been a joint effort between Canada and the United States. Wed 11 Mar 2009 20.01 EDT. Southeast of Dixon Entrance, the active fault trace trends back onto the outer shelf until midway along the Queen Charlotte Islands, then cuts back to and stays at midslope to the Tuzo Wilson Knolls south of the Queen Charlotte Islands. Toward the end, as depicted in Bridgerton, Charlotte was deeply affected by King George's mental and physical illnesses. Movement along this thrust raised a ridge of Jurassic and Cretaceous m, A 1200 km-long transform plate boundary passes through southeastern Alaska and northwestern British Columbia and represents one of the most seismically active, but poorly understood continental margins of North America. the southeast Alaska transform margin the Queen Charlotte fault is imaged as a narrow linear feature. The length of the Queen Charlotte-Fairweather fault system is 1330 km, slightly longer than the San Andreas fault, with a reported width of 1-5 km, and ~75% of the length is located offshore . In other words, the folds appear to be controlled by the northwest strike-slip fault and by the compression of the Pacific and North America plates. Transpression along the Fairweather-Queen Charlotte Fault resulted in volcanic activity on the Baranof-Chichagof block at Mount Edgecumbe as recently as 5,000 years ago, and modern seismicity on the fault indicates it remains active. A switch in relative plate motions at the Queen Charlotte Fault 10 million years ago produced consequent strain throughout the northern portion of the Western Cordillera, resulting in crustal thinning and decompression melting of oceanic island basalt-like mantle to create alkaline volcanism. Impressive, to be sure, but being pregnant for a good part of her marriage weighed on the Queen. A scattering of microearthquakes through the archipelago and the Coast Range and a concentration in the Glacier Bay region suggest that the seismicity may be more complex than the pattern indicated by the distribution of larger earthquakes. One hundred and forty microearthquakes were detected. A team of USGS scientists spent 10 days in the wilderness, exploring one of the fastest-moving faults in America. Relevance The junction of the Queen Charlotte, Fairweather, and Transition faults is located at the southeastern tip of the Yakutat block, an oceanic plateau and microplate. As a token of their appreciation, it would be re-named the Queen Charlottes and Chelsea Hospital, and is now one of the most respected maternity hospitals in London. The Sitka Sound Science Center is part of an international team of scientistsprobing the depths of the northeast Pacific offshore of Alaska and British Columbia, Canada, to better understand hazards associated with the Queen Charlotte Fault. Woods Hole, MA 02543 Systematic mapping of the ocean-continent transform plate boundary of the Queen Charlotte fault system, southeastern Alaska and western British ColumbiaA preliminary bathymetric terrain model, A bathymetric terrain model of multibeam data collected between 2005 and 2018 along the Queen Charlotte Fault System in the Eastern Gulf of Alaska from Cross Sound, Alaska to Queen Charlotte Sound, Canada, Multibeam bathymetry and acoustic-backscatter data collected in 2015 near Cross Sound, southeast Alaska, during field activity 2015-629-FA, Multibeam bathymetric and backscatter data collected in the eastern Gulf of Alaska along the Queen Charlotte Fault, U.S. Geological Survey Field Activity 2016-625-FA, Multibeam bathymetry and acoustic-backscatter data collected in 2017 and 2018 of Noyes Submarine Canyon and vicinity, southeast Alaska, 2885 Mission Street Charlotte is also known for the possibility that she possessed multiracial heritage . [31], The 2012 quake was remarkable for having been a thrust, rather than strike-slip, tremor, more like the mechanism of the Cascadia Subduction Zone to the south. San Andreas, Alpine) in terms of slip rates and seismogenic potential. Bostwick, T. (1984). Secure .gov websites use HTTPS Queen Charlotte was born a German princess far away from the British crown. Subsidence of ocean plate now adjacent to the Chatham Strait-Dixon Entrance fault segment initiated development of both Mukluk and Horizon Channels. As explained before, Queen Charlotte's fault is located between the Alaska subduction zone, which is illustrated by the dark contour on the northest of the continent, and the Cascadia subduction zone, which starts near Vancouver island. In 1761, when she turned 17, Princess Sophia was betrothed rather unexpectedly to the King of . The Queen loved the residence so much, she started spending most of her time there, and it became known as The Queens House.. We're involved in a wide variety of locally-relevant aquatic and terrestrial research. The two segments are collectively called the Queen Charlotte-Fairweather Fault System. The Chirikof system arises near Cross Sound and ends in turbidite fans south of the Kodiak-Bowie Seamount chain, a relic Chirikov channel that once carried sediment westward to the Aleutian Trench. Neotectonics of interior Alaska and the late Quaternary slip rate along the Denali fault system, Sculpted by water, elevated by earthquakesThe coastal landscape of Glacier Bay National Park, Alaska, Eastern Denali Fault surface trace map, eastern Alaska and Yukon, Canada. [3] We have the northern, central and southern segments with maximum obliquity (approximately 15-20) occurring south of 53.2N and minimum obliquity (less than 5) occurring north of 56N. Transform faults do not just connect divergent boundaries. Though the two never actually me, they corresponded frequently. She was the second longest-serving consort in British history, after the present Duke of Edinburgh. Here, some other facts about this most unusual womans life: She had fifteen children, thirteen of whom survived to adulthood. magnitude 8.1 Queen Charlotte Islands earthquake of August 22, 1949, 2. which occurred along the Queen Charlotte fault 125 mi (200 km) southwest of Metlakatla. Brown, Sutherland A. . At least one canyon is offset by strike-slip motion along the fault Fan channels coalesce to form two deep-sea turbidite channels (Mukluk and Horizon) that extend 1,000 km southward to the Tufts Abyssal Plain. In reverse faulting, the dip direction is towards the hanging wall - in this case the North America plate. : In 2017, the U.S. Geological Survey, Geological Survey of Canada (Natural Resources Canada), Sitka Sound Science Center, and the Universityof Calgary joined forces to examine the entire length of this poorly understood fault. In Browns article, they are compared to wraped panels of volcanic rock. The deep sea values . (Fossen, 224) This suggests that the forces causing the folds were equivalent from Triassic to Tertiary period. PO Box 140 This was the biggest quake in Canadian territory since 1949. Figure 2: Strike-slip fault. The fault is named for the Queen Charlotte Islands (now Haida Gwaii) which lie just north of the triple junction. Am. Potential hydrocarbon reservoirs within the basin include alluvial-fan fan-delta and tidal-shelf sandstones. USA, smartphone 907.747.8878 Landslides, housing and infrastructure damage, Landslide, megatsunami (524m), housing and infrastructure destruction, 5 casualties, This page was last edited on 15 February 2023, at 22:10. Brown and W.J Jeffery in 1958-59 displays the location and age of the observed rocks, the beddings, foliation, fold axes, faults, contact and contour interval of 1000ft (. No need to be fancy, just an overview. These data were collected between 2005 and 2018 under a cooperative agreement between the U.S. Geological Survey, Natural Resources Canada, and the National Oceanic and Atmospheric Administration. The Food Web Cruise is a great opportunity to experience that first breath of spring on. Data from this research are being used to refine the seismic hazard for southeastern Alaska, as well as to develop geologic models that can be applied to similar plate boundaries around the globe, said Peter Haeussler, USGS Geologist at the Alaska Science Center and a co-author of the data publications. Both kingdoms were in a personal union under George until the Acts of Union 1800 merged them on 1 January 1801. An active strike-slip boundary similar to California's San Andreas fault, the Queen Charlotte Fault has produced five magnitude-7-and-higher earthquakes in the last 100 years and presents the greatest earthquake hazard to residents of southeast Alaska and western British Columbia. . St. James Palace was the official residence of the royal couple, but the King purchased a nearby property, Buckingham House (expanded to Buckingham Palace in the 19th century) as a private retreat for his wife. Alaska has more large earthquakes than the rest of the United States combined. The bathymetry and acoustic-backscatter data are provided as GeoTIFFs with 10-m spatial res. There was a conflict between the Queen and their son, the Prince of Wales, over who should assume the Regency should the King be declared unfit to rule. [1] The Queen Charlotte Fault is an active transform fault that marks the boundary of the North American and the Pacific Plates. The 1949 earthquake was larger than the 1906 San Francisco earthquake, causing nearly a 500kilometer-long segment of the Queen Charlotte Fault to break. ", "Magnitude 7.7 Queen Charlotte Islands Region.". Gustavus The primary goal of the study was to gain a better understanding of the earthquake, tsunami, and underwater-landslide hazards throughout southeastern Alaska, as well as gather data to devel, 12201 Sunrise Valley Drive Reston, VA 20192, Woods Hole Coastal and Marine Science Center, Alaska Department of Fish and Game (ADFG), Region 2: South Atlantic-Gulf (Includes Puerto Rico and the U.S. Virgin Islands), Region 12: Pacific Islands (American Samoa, Hawaii, Guam, Commonwealth of the Northern Mariana Islands), Coastal and Marine Hazards and Resources Program, began mapping the fault in detail in 2015, Fairweather fault, the terrestrial portion of this tectonic system, EXPRESS (Expanding Pacific Research and Exploration of Submerged Systems), Earthquake Hazards in Southeastern Alaska, Pacific Coastal and Marine Science Center, EXPRESS: Expanding Pacific Research and Exploration of Submerged Systems, Core Preparation and Analysis Laboratory and Sample Repositories, Characterizing the Active Queen Charlotte-Fairweather Fault System, Coastal and Marine Hazards and Resources Program News, Pacific Coastal and Marine Science Center News, Woods Hole Coastal and Marine Science Center News. Over the last 100 years, the Queen Charlotte-Fairweather fault system has produced large-magnitude earthquakes affecting both Canada and the U.S. To fill in missing details about its offshore location and structure, USGS uses sophisticated techniques to truly understand the faults hazard potential. Satellite measurements indicate that during the past few decades the Yakutat microplate has moved northwest at a rate of nearly 5 centimeters per year relative to the North Ameri. On Sunday, 22 debutantes made their London society debut at Queen Charlotte's Ball. Alerts were sent across the Pacific Basin. Researchers from NOAA, U.S. Geological Survey and their partners have completed the first high-resolution, comprehensive mapping of one of the fastest A team of USGS scientists spent two weeks in the isolated Glacier Bay National Park, exploring one of the fastest-moving faults in North America. Since then, three different research vessels have collected more than 16,000 square kilometers of new high-resolution multibeam sonar on both the U.S. and Canadian portions of the fault, in depths ranging from 0 to 2,271 meters. most numerous seismic events recorded, numbering in the thousands, were low-frequency events emanating from a number of specific areas where large glaciers are located. The blue plane illustrates the axial plane. [20][21][22][23], In the central segment, abrupt changes in both seafloor morphology and structural geometry accompany a decrease in convergence angle. At least two small fans have been constructed on the trench floor. 26, 25562566, CBC Newsworld, "7.7 Magnitude Quake Breaking News Special", airdate: 2728 October 2012. We can think of this fault system as the San Andreas of the north, said USGS Research Geophysicist Danny Brothers, a lead author of the publications. The fault steps westward at Tuzo Wilson Knolls, which likely is a spreading ridge segment. [5] There are various mechanisms proposed to accommodate oblique convergence along the QCF, this include underthrusting and strain partitioning,[2] crustal thickening,[10] and distributed shear. Founded in 1780, the event oozes tradition and debutantes curtsey to an 8-foot cake. While the San Andreas fault is continental fault, both display similar faulting system. The QCF connects to the Fairweather fault further north along the Alaskan coast. canyons and sediment transport channels on the slope and adjacent abyssal plain. The Queen Charlotte Fault is a transpressive transform plate boundary between the Pacific and North American plates offshore western Canada. These oldest folds have wavelengths of 10-16 miles with amplitudes of 2-3 miles (, (Brown Bulletin 54, 156)The folds observed in all these rocks are all gentle (interlimb angle of 120-180 degrees). In the very long term the Walker Lane could connect northward with the Queen Charlotte fault near the . The Surveyor system begins between Pamplona Spur and Alsek Canyon and empties into the Aleutian Trench. Geomorphologic expression and. Briefly, the Cascadia subduction zone is the region where the Juan De Fuca plate is moving towards/under the North America plate. [5] The same location also marks earthquake rupture boundaries between the 2013 Craig event[25] and the 1972 M7.6 Sitka event,[26][27] as well as the inferred intersection of the Chatham Strait Fault and the Aja Fracture Zone (FZ) with the Queen Charlotte Fault; the Aja FZ also marks an approximately 3 million year contrast in Pacific Plate crustal age. And he didn't do this out of ignorance, either. The North American Plate is made of continental crust, and the Pacific Plate is made of oceanic crust. A microseismicity survey of the Queen Charlotte Islands region, Can. This data publication is a compilation of six different multibeam surveys covering the previously unmapped Queen Charlotte Fault offshore southeast Alaska and Haida Gwaii, Canada. The epicenter of this earthquake is found to be at the junction of the North America plate and the Pacific plate. In the north the boundary is defined by the 300 km-long onshore Fairweather Fault, which steps offshore at Icy Point and becomes the Queen Charlotte Fault (QCF) for the remaining 850 km southward to the vicinity of the Queen Charlotte triple junction (Fig. No damage was reported at Metlakatla. Santa Cruz, CA 95060 A .gov website belongs to an official government organization in the United States. Sort By: Charlotte of Mecklenburg-Strelitz (Sophia Charlotte; 19 May 1744 - 17 November 1818) was Queen of Great Britain and of Ireland as the wife of King George III from their marriage on 8 September 1761 until her death in 1818. Queen Charlotte with her Two Eldest Sons, Johan Zoffany, 1765. It occurred on the Queen Charlotte Fault (Canada's equivalent of the San Andreas Fault) - the boundary between the Pacific and North American plates that runs underwater along the west coast of the Haida Gwaii (formerly Queen Charlotte Islands) off the west coast of British Columbia. The 2016 research expeditions used Lidar and trenching to gather data on the Fairweather fault, the terrestrial portion of this tectonic system in the nearly roadless Glacier Bay National Park in southeast Alaska. 10 am - 2 pm, WednesdaySaturday : Once again there were no fatalities. Existing geophysical data suggest abrupt transitions in deformation mechanisms and plate boundary dynamics across these boundaries with incipient underthrusting and strain partitioning in the south along Haida Gwaii,[9] distributed transpression in the central segment,[8] and highly localized strike-slip deformation in the north. (Dehler, 3), Figure 8: This is the Preliminary Geological Map made by Sutherland Brown and W.D. We are conducting comprehensive onshore and offshore geologic and geophysical investigations to fully characterize the seismic potential of the Queen Charlotte-Fairweather Fault system in southeast Alaska. She is a seven-time women's champion and is also a critically . Explorers, such as Captain James Cook, would bring the Queen something of an amateur botanist new species of plants, which she displayed and expanded in her gardens. Tributary channels from Cross Sound to Alsek Valley form the Chirikov channel system which bends westward and ends in turbidite fans south of the Kodiak-Bowie Seamount chain. The Limbs are the sides the anticline/syncline. But the Queen intervened to ensure Charlotte would not be known as 'Lady Charlotte', according to a royal historian. This magnitude 7.8 earthquake caused as much as 21 feet of horizontal movement and up to 3 feet of vertical movement and was felt as far south as Seattle, Washington. Jeffery in 1958-59. The Chatham Strait fault showed no activity, and only a few events were located in the Quaternary volcanic zone of British Columbia. The Denali fault system is the largest active strike-slip fault system in interior Alaska, and it produced a Mw7.9 earthquake in 2002. The pair remained married for nearly 60 years. The Queen Charlotte Terrace widens and deepens, forming a series of oblique ridges and basins west of the QCF main trace. Of these, 84 lie on or close to the Queen Charlotte Fault, most within the rupture zone of the great 1949 earthquake (MS = 8.1). Q ueen Charlotte died nearly two centuries ago but is still celebrated in her namesake American city. Prince Louis and Princess Charlotte's duties for the Coronation have been made public as George takes center stageOn May 6, King Charles will be crowned, and. Although there are problems with biases in earthquake A .gov website belongs to an official government organization in the United States. [3] Periods of igneous activity in the Queen Charlotte Islands have corresponded with periods of extension. Video Software we use: https://amzn.to/2KpdCQFAd-free videos.You can support us by purchasing something through our Amazon-Url, thanks :)The Queen Charlotte . The basin formed during Eocene to Pliocene extension along and adjacent to a transform segment of the Pacific-North American plate boundary. Geomorphologic expression and surface processes associated with the QCFZ system have been revealed in unprecedented detail by recent seabed mapping surveys. Queen Charlotte's fault by meryem berrada. Southeast of Florida, the Caribbean Plate is sliding east-northeast about 0.8 inches (2 centimeters) per year relative to the North American Plate. Geol., Bull. To the north, three turbidite systems drain the margin. These precise measurements are made possible through the use of geodesy, which can record millimeter-scale elevation and lateral changes in the landscape as the Earth's crust crumples, stretches and grinds from tectonic plate movement. of the offshore subbasins contain clastic sediments in excess of 3,000 m thick and strata as thick as 6,000 m are known to occur in the deepest depocenters. Seismol. 99826, Download the official NPS app before your next visit. Offering logistical and field support isnt the Science Centers only role, we also work hard to bring this work to our middle and high school classes through developing age appropriate lessons and hosting evening presentations geared towards lifelong learners. - AAPG Bulletin (American Association of Petroleum Geologists); (USA). The P nodal focal mechanism for the 1949 earthquake indicates a virtually pure strike-slip movement with a northwest-striking nodal plane corresponding to the strike of the fault. She was the second longest-serving consort in British history, after the present Duke of Edinburgh. From north to south, there is a decreasing rate of convergence[8] and change in fault obliquity which appears to divide the fault into at least three distinct kinematic zones [2] along strike with associated changes in seafloor morphology, fault structure, and seismicity. The fault system crosses the shelf from Icy Point to south of Yakobi Valley, then follows the shelf edge to Chatham Strait. Even Rutgers, The State University of New Jersey, was originally chartered as Queens College after Charlotte, though it was renamed in 1825 after Henry Rutgers, a hero in the Revolutionary War. Last edited on 15 February 2023, at 22:10, 1958 Lituya Bay earthquake and megatsunami, "An Abrupt Transition in the Mechanical Response of the Upper Crust to Transpression along the Queen Charlotte Fault", "Basement and Regional Structure Along Strike of the Queen Charlotte Fault in the Context of Modern and Historical Earthquake Ruptures", "Pacific-North America plate boundary reorganization in response to a change in relative plate motion: Offshore Canada", "Supershear rupture of the 5 January 2013 Craig, Alaska ( M w 7.5) earthquake: 2013 CRAIG EARTHQUAKE SUPERSHEAR RUPTURE", "Deformation of the Pacific/North America Plate Boundary at Queen Charlotte Fault: The Possible Role of Rheology", "Plate boundary localization, slip-rates and rupture segmentation of the Queen Charlotte Fault based on submarine tectonic geomorphology", "The Queen Charlotte Fault, British Columbia: seafloor anatomy of a transform fault and its influence on sediment processes", "Queen Charlotte Area Cenozoic tectonics and volcanism and their association with relative plate motions along the northeastern Pacific Margin", "Linking the Late Cretaceous to Paleogene Pacific plate and the Atlantic bordering continents using plate circuits and paleomagnetic data", "High-resolution reconstructions of PacificNorth America plate motion: 20 Ma to present", "Evidence for underthrusting beneath the Queen Charlotte Margin, British Columbia, from teleseismic receiver function analysis", "The October 2012 magnitude (Mw) 7.8 earthquake offshore Haida Gwaii, Canada", "Seismicity surveys with ocean bottom seismographs off western Canada", "The October 28, 2012 Mw 7.8 Haida Gwaii underthrusting earthquake and tsunami: Slip partitioning along the Queen Charlotte Fault transpressional plate boundary", "Plate Boundary Adjustments of the Southernmost Queen Charlotte Fault", "Seismic velocity structure of the Queen Charlotte terrace off western Canada in the region of the 2012 Haida Gwaii Mw 7.8 thrust earthquake", "Thermal Condition of the 27 October 2012 Mw 7.8 Haida Gwaii Subduction Earthquake at the Obliquely Convergent Queen Charlotte Margin", "Spatiotemporal Distribution of Events during the First Week of the 2012 Haida Gwaii Aftershock Sequence", "Source Characteristics of the 2012 Haida Gwaii Earthquake Sequence", "GPS Observations of Crustal Deformation Associated with the 2012 Mw 7.8 Haida Gwaii Earthquake", "Transpression between two warm mafic plates: The Queen Charlotte Fault revisited", "Rupture of a seismic gap in southeastern Alaska: the 1972 Sitka earthquake (Ms 7.6)", "A High Resolution Aftershock Catalog of the Magnitude 7.5 Craig, Alaska, Earthquake on 5 January 2013", "Earthquake Hazards in Southeastern Alaska", Haida Gwaii's Hotsprings Island showing signs of recovery, "Superquakes, supercycles, and global earthquake clustering: Recent research and recent quakes reveal surprises in major fault systems", Queen Charlotte-Fairweather Fault System Alaska Earthquake Information Center, https://en.wikipedia.org/w/index.php?title=Queen_Charlotte_Fault&oldid=1139589244. From Cross Sound to Pamplona Spur, dendritic gulley systems and short chutes cross the slope into tributary channels that, In an 81-day period during the summer of 969 four portable seismographs were operated in northwest British Columbia and southeast Alaska. In the core of the orogen,250 km from the transform, north striking, dipslip brittle faults and vertical axis rotation of large crustal domains occurred after 50 Ma and before intrusion of mafic dikes at 20 Ma. [3][8] Through geologic time, a change in pacific plate motion beginning as recently as approximately 6 Ma[11] or as early as approximately 12 Ma[12] caused an increase in convergence along the entire length of the fault and initiated underthrusting[13] along the southern segment where convergence is highest,[2] a process that ultimately led to the 2012 Haida Gwaii thrust earthquake. Earth Sciences. Cascadia Subduction Zone (CSZ) and transitions into the Queen Charlotte Fault. The Canadian Press QUEEN CHARLOTTE, B.C. Figure 5: This illustration represents a fold. The fault runs up the side of Haida Gwaii in British Columbia, and along the outer coast of Southeast Alaska all the way to Yakutat. Faults dont stop at the shoreline, and they certainly dont stop at political boundaries, said Brothers. Through this, for the last 11,000 RCYBP years at least, resilient people made their living from the ocean and the land, shrugging off or taking advantage of environmental change . Below are publications associated with this project. A re-examination of the August 22, 1949 Queen Charlotte earthquake. Much of our work is focused on observing the earth from beneath the oceans, using tools like ocean bottom seismometers, sonar mapping systems, marine seismic imaging tools, and other geophysical techniques. In addition to multibeam sonar, their tools included seismic-reflection surveys that use sound to reveal rock layers beneath the seafloor, piston cores that bring up the top several meters of ocean sediment for further scrutiny, and cameras with powerful lights dragged just above the seabed. The two segments are collectively called the Queen Charlotte-Fairweather Fault System. The QCF formed off the west coast of the islands of Haida Gwaii upon the termination of margin subduction in the Eocene. [4] This is similar to the 1970 earthquake, which also showed a strike-slip movement with a small but significant thrust component, consistent with relative plate motion. This type of fault is usually connected on both ends to other faults, ridges or to subduction zones. The study of this earthquake also confirmed that although the Queen Charlottes fault is dominantly a right-lateral transform, fault, there is also compression between the Pacific and North American plates along the southern portion of the fault where, the two plates converge with the Juan de Fuca plate, (Magnitude, 2) The seismologists found this earthquake to be a result of a combination of reverse and strike-slip faulting: which chategorizes this fault as an oblique transform fault. Zone of British Columbia and empties into the Aleutian trench now Haida Gwaii ) which lie North! Survived to adulthood Triassic to Tertiary period https: // means youve safely connected to Chatham. Had fifteen children, thirteen of whom survived to adulthood the forces causing the folds were from. History, after the present Duke of Edinburgh American Association of Petroleum Geologists ) (! Subduction zones the Quaternary volcanic zone of British Columbia Fossen, 224 ) this that... 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To other faults, ridges or to subduction zones Yakobi Valley, then the!, Alpine ) in terms of slip rates and seismogenic potential great opportunity to that.