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lucindaleonard.bsky.social
Lucinda Leonard
@lucindaleonard.bsky.social
17 followers 21 following 1 posts
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..
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Reposted by Lucinda Leonard
earthquakeguy.bsky.social
John Cassidy @earthquakeguy.bsky.social · Aug 21
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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lucindaleonard.bsky.social
Lucinda Leonard @lucindaleonard.bsky.social · Aug 16
Another active fault on Vancouver Island - our new paper documents evidence for at least 3 Holocene earthquakes on the Beaufort Range fault
weareseismica.bsky.social
Seismica @weareseismica.bsky.social · Aug 15
🌍The Beaufort Range fault is ACTIVE!
This right-lateral oblique Beaufort Range faulting occurs >100 km farther North than previously documented faults in the Cascadia forearc.
Read more: seismica.library.mcgill.ca/article/view...
NAU Research @nau-ses.bsky.social
UVic SEOS @seos-uvic.bsky.social
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Reposted by Lucinda Leonard
theronfinley.bsky.social
Theron Finley @theronfinley.bsky.social · Jul 16
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
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...
doi.org
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