[dhammack]

You can get the real content without the commentary at https://www.volcanodiscovery.com/lapalma/sep2021seismic-cris...

Also see https://en.wikipedia.org/wiki/Cumbre_Vieja_tsunami_hazard for a good summary of the risks.

[nieve]

> They do not appear to form through individual collapses; multi-stage failures lasting hours or days appear to be more common

That's a pretty major factor.

[Gys]

Yes, and good news:

> most collapses in the Canary Islands took place as multistage events that are not as effective at creating tsunamis