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Vancouver Island earthquake 2015

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Journal Article
Published: 26 September 2017
Bulletin of the Seismological Society of America (2017) 107 (6): 2903-2916.
...Frederick Jackson; Sheri Molnar; Hadi Ghofrani; Gail M. Atkinson; John F. Cassidy; Karen Assatourians Abstract The December 2015 moment magnitude ( M ) 4.7 Vancouver Island earthquake is one of the largest recorded inslab earthquakes within Georgia Strait, British Columbia, Canada. Ground motions...
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Journal Article
Published: 15 November 2016
Bulletin of the Seismological Society of America (2016) 107 (1): 387-402.
... line shows the deformation front. The color version of this figure is available only in the electronic edition. From July to September 2010, the Seafloor Earthquake Array–Japan–Canada Cascadia Experiment (SeaJade) project (e.g., Scherwath et al. , 2011 ) deployed 32 OBS s off Vancouver Island...
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Series: GSA Special Papers
Published: 07 February 2019
DOI: 10.1130/2018.2538(16)
EISBN: 9780813795386
... to correlate well with lava flows erupted on Mauna Loa volcano in 1984 ( Kauahikaua et al., 2003 ). ABSTRACT In 2014–2015, a slow-moving pāhoehoe lava flow from the remote Pu‘u ‘Ō‘ō vent on Kīlauea Volcano advanced 20 km into populated areas of the Puna District on the Island of Hawai‘i. The staff...
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Journal Article
Published: 13 March 2018
Bulletin of the Seismological Society of America (2018) 108 (2): 654-673.
... overlying peat or soil) representing the A.D. 1700 Cascadia earthquake and a field experiment that simulated subsidence show that a Bayesian transfer function (BTF) calibrated using a large modern dataset (19 sites from California to Vancouver Island) and incorporating prior information from stratigraphic...
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Journal Article
Published: 23 August 2016
Bulletin of the Seismological Society of America (2016) 106 (5): 1939-1947.
...) increases from the west coast of Vancouver Island to the east‐southeast within the Coast belt. Stations on west‐central Vancouver Island closest to the landward projection of the Nootka fault zone, and the location of the only two known large crustal earthquakes (1918 M ∼7 and 1946 M ∼7.3) on Vancouver...
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Journal Article
Published: 06 August 2019
Bulletin of the Seismological Society of America (2019) 109 (5): 2050-2062.
...Jacob Kukovica; Hadi Ghofrani; Sheri Molnar; Karen Assatourians Abstract There is a newly proposed active fault zone associated with the Leech River Valley, near the city of Victoria on southern Vancouver Island. The current Canadian seismic hazard model for the 2015 National Building Code...
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Journal Article
Published: 13 February 2018
Bulletin of the Seismological Society of America (2018) 108 (2): 761-780.
... ; Royer et al. , 2015 ), as well as in other locations where there are anomalously high earthquake rates at depth ( Inbal et al. , 2016 ). A strong deep rate dependence also leads to a low‐effective slip velocity for estimating W , such as would be inferred from canonical strength–depth plots...
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Journal Article
Published: 30 June 2015
Bulletin of the Seismological Society of America (2015) 105 (4): 2128-2142.
... as an acceptable trade‐off between excluding excessively noisy traces and retaining traces that show potential for LFE detection despite a lower SNR . These simple spectral constraints may not be sufficient to distinguish tremor from some intraplate earthquakes. However, in southern Vancouver Island, the GSC...
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Journal Article
Published: 13 June 2018
Seismological Research Letters (2018) 89 (4): 1566-1575.
... A. M. Savard G. Chuang L. , and Rubin A. M. 2015 . Magnitudes and moment‐duration scaling of low‐frequency earthquakes beneath southern Vancouver Island , J. Geophys. Res. 120 , 6329 – 6350 , doi: 10.1002/2015JB012195 . Chao K. , and Obara K. 2016 . Triggered...
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Journal Article
Journal: Geosphere
Published: 01 August 2015
Geosphere (2015) 11 (4): 1172-1203.
... pre–twentieth century tsunamis is largely unknown west of the rupture zone of the great (magnitude, M 9.2) 1964 earthquake. Stratigraphy in core transects at two boggy lowland sites on Chirikof Island’s southwest coast preserves tsunami deposits dating from the postglacial to the twentieth century...
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Journal Article
Journal: Geosphere
Published: 01 August 2016
Geosphere (2016) 12 (4): 1300-1315.
... during eruptions at dome-building volcanoes. CORRESPONDENCE: david.arnold@bristol.ac.uk * Current address: School of Earth and Environment, University of Leeds, Leeds LS2 9JT, UK 09 11 2015 08 03 2016 11 04 2016 © 2016 Geological Society of America 2016...
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Journal Article
Published: 24 May 2019
Geochemistry: Exploration, Environment, Analysis (2019) geochem2018-064.
... groundwater reaching the surface from depth and provide a prime target medium for mineral exploration through transported gravels. Present addresses: P.A.W., Vale Exploraciones Chile, Rosario Norte 615 #1202, Las Condes, Santiago, Chile; T.B., Goldcorp Inc., 666 Burrard St #3400, Vancouver, B.C., V6C 2X8...
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Journal Article
Journal: Geology
Published: 01 June 2017
Geology (2017) 45 (6): 535-538.
... following past megathrust earthquakes. 23 11 2016 08 02 2017 12 02 2017 © 2017 Geological Society of America 2017 Although the Cascadia subduction zone (northern Vancouver Island, Canada, to Cape Mendocino, California, USA) lacks a written history of great earthquakes ( Heaton...
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Journal Article
Published: 17 September 2019
Bulletin of the Seismological Society of America (2019)
... seismometers (OBSs) deployed by the Geological Survey of Canada (GSC) and Japan Agency for Marine‐Earth Science and Technology (JAMSTEC) for the first phase of Seafloor Earthquake Array Japan–Canada Cascadia Experiment (SeaJade), as well as regional permanent seismograph stations on Vancouver Island. Submarine...
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Journal Article
Published: 11 September 2019
Seismological Research Letters (2019)
... on the particle motion of P or T waves from earthquakes or airgun shots (e.g., Nakano et al. , 2012 ; Shan et al. , 2012 ; Tonegawa et al. , 2015 ; Tonegawa et al. , 2017 ), cross correlation between long‐period seismograms of orientation‐known and orientation‐unknown stations (e.g., Shiomi et al...
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Journal Article
Journal: GSA Bulletin
Published: 16 November 2019
GSA Bulletin (2019) 131 (5-6): 707-729.
...Rob Witter; Rich Briggs; Simon E. Engelhart; Guy Gelfenbaum; Rich D. Koehler; Alan Nelson; SeanPaul La Selle; Reide Corbett; Kristi Wallace Abstract At the eastern end of the 1957 Andreanof Islands, Alaska, USA, moment magnitude 8.6 earthquake rupture, Driftwood Bay (Umnak Island) and Stardust Bay...
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Journal Article
Published: 19 December 2017
Bulletin of the Seismological Society of America (2017) 108 (1): 66-83.
.... At these four locations, waterspouts ranging from 10 to 20 ft high for fault rupture distances between 21 and 26 km were reported. Newspaper reports indicate a 30‐ft high waterspout near Denman Island, British Columbia, during the 1946 M  7.2 Vancouver Island earthquake ( Rogers, 1980 ). Waterspouts...
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Journal Article
Published: 07 April 2015
Bulletin of the Seismological Society of America (2015) 105 (2B): 1253-1264.
...T. E. Hobbs; J. F. Cassidy; S. E. Dosso; C. Brillon Abstract This article examines spatial changes to the local stress field resulting from the 28 October 2012, M w 7.8 Haida Gwaii earthquake, off the west coast of Moresby Island, British Columbia. This event occurred on a northeast‐dipping...
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Journal Article
Published: 10 April 2015
Canadian Journal of Earth Sciences (2015) 52 (6): 405-430.
.... 2012 ) is augmented here, by comparable sediment records to the west of Vancouver Island, to facilitate earthquake preparedness and to generate more accurate risk calculations for northern Cascadia. The frequency of megathrust ruptures and tsunamis generated off any segment of coastline affects...
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Journal Article
Journal: GSA Bulletin
Published: 01 November 2016
GSA Bulletin (2016) 128 (11-12): 1636-1659.
...B.L. Sherrod; R.J. Blakely; J.P. Lasher; A. Lamb; S.A. Mahan; F.F. Foit, Jr.; E.A. Barnett Abstract The Wallula fault zone is an integral feature of the Olympic-Wallowa lineament, an ∼500-km-long topographic lineament oblique to the Cascadia plate boundary, extending from Vancouver Island, British...