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Lucinda Leonard

@lucindaleonard.bsky.social

Irish-Canadian Assoc. Teaching Prof in Victoria, BC, above the Cascadia subduction zone. Ideally placed to study tectonics, earthquakes, & tsunamis, and for hiking, skiing, paddling, gardening..

Posts Replies Media

Reposted by Lucinda Leonard

John Cassidy @earthquakeguy.bsky.social · 21/08/2025

August 21, 1949 - a damaging M8.1 #earthquake (one of the largest ever recorded in North America) struck off #HaidaGwaii. Shaking was so strong that it was hard to stand. Felt across most of #BritishColumbia, parts of Alberta, WA, Yukon and Alaska www.earthquakescanada.nrcan.gc.ca/historic-his... ⚒️🧪

Map showing the locationn of the 1949 M8.1 Haida Gwaii earthquake. Colours indicate the felt shaking and the strength of shaking. Shaking was so strong on parts of Haida Gwaii that it twas difficult to stand.

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Lucinda Leonard @lucindaleonard.bsky.social · 16/08/2025

Another active fault on Vancouver Island - our new paper documents evidence for at least 3 Holocene earthquakes on the Beaufort Range fault

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Reposted by Lucinda Leonard

Theron Finley @theronfinley.bsky.social · 16/07/2025

Really pleased to share our new paper in GRL, documenting evidence of multiple Quaternary surface-rupturing earthquakes on the Tintina fault in the Yukon. doi.org/10.1029/2025... @faultydata.bsky.social @earthquakeguy.bsky.social @thatfaultguy.bsky.social @tephrafan.bsky.social

doi.org

Large Surface‐Rupturing Earthquakes and a >12 kyr, Open Interseismic Interval on the Tintina Fault, Yukon

We provide the first conclusive evidence of numerous large (>Mw 7.5) surface-rupturing earthquakes in the Quaternary on the Tintina fault Offsets to Early and Middle Pleistocene glaciofluvial ter...

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