Paleoseismic history of the Cascadia Subduction Zone; technician support for completion of data processing for final publication of results of this study

Dr. Dallimore was awarded an Internal Grant for Research for a research project examining the Cascadia Subduction Zone through a series of core samples and geological surveys.

In 2012, in order to regionally extend the paleoseismic west coast Vancouver Island inlets work from our main study site at Effingham Inlet, southern Vancouver Island, to the northern terminus of the Cascadia Subduction Zone (CSZ), Royal Roads University (RRU) and Natural Resources Canada (NRCan) collaboratively undertook a Natural Sciences and Engineering Research Council (NSERC) Ship Time grant funded coring cruise on the CCGS Vector to every inlet along western Vancouver Island. We raised ten piston cores of marine sediments, which collectively represent a sedimentary record of the full Canadian portion of the CSZ, and in places gives a record of major earthquakes going back about 8,000 years. In Sept. 2016 and 2017, with the support of the Internal Grant for Research (IGR)16-08, and 17-08 grants, we took the RRU research boat, to two of the most important core sites in Clayoquot Sound. We performed site specific characterization including nearshore multi-beam imagery, sub-bottom profiling and oceanographic water property surveys, at each of these two most important core sites from the 2012 Vector cruise. This work is required to accurately interpret the return rate of M8-9 CSZ earthquakes along the BC coast, from our sediment records. This new grant would support the salary of RRU Research Assistant Byron Molloy, to help me complete our data processing and write up the complete project for publication.