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. 2021 Feb 1;379(2193):20200218. doi: 10.1098/rsta.2020.0218

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© 2021 The Authors.

Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.

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Figure 5. — Geodesy and source seismology illuminate the hierarchy of ETS and LFE on Cascadia subduction zone. (a) Spatio-temporal distribution of slow slip events (colour contours indicating slip rate) and tremors (black dots) along the ETS zone of Cascadia (based on [49]). (b) Spatio-temporal distribution of tremor sources during two ETS events in northern Cascadia. Tremor clusters light up many of the same source patches in recurring events (based on [50]). (c) LFEs clustered in LFE families that failed during two ETS in 2010 and 2011 (also shown in (a)) (based on [6]). Open arrows in (b) and (c) indicate the plate convergence direction. (Online version in colour.)