27 () 🐴 SHITPOST 💩 posted 1 year ago by Excelsior 1 year ago by Excelsior +27 / -0 9 comments share 9 comments share save hide report block hide replies
The consensus on that seismic wave in 2018 seems to be activity of an underwater volcano.
Later that underwater volcano became more active. Here is an article that gives some information on the later activity. https://www.sciencealert.com/the-largest-underwater-volcanic-eruption-ever-recorded-gave-birth-to-a-new-volcano