No, I hadn’t heard of it either. Interesting summary in SciAm about this research:

North America is Dripping from Below, Geoscientists Discover

It’s interesting. I imagine dv is familiar with this process.

Surprised this is so far from a tectonic boundary but I bit of lookingup tells me the subducted slab has moved in relation to the surface over the tens of millions of years.
Or the surface has moved in relation to the slab. It’s all relative…

Surprised this is so far from a tectonic boundary but I bit of lookingup tells me the subducted slab has moved in relation to the surface over the tens of millions of years.
Or the surface has moved in relation to the slab. It’s all relative…

Note the date of publication.

Michael V said:

Note the date of publication.

The original research was published in March:

https://www.nature.com/articles/s41561-025-01671-x

Bubblecar said:

Michael V said:

Note the date of publication.

The original research was published in March:

https://www.nature.com/articles/s41561-025-01671-x

:)