4 ms·Deepest earthquake ever detected struck 467 miles beneath Japan2 points by adjagu 5y agoadjagu 5y agoLower Mantle Seismicity Following the 2015 Mw 7.9 Bonin Islands Deep-Focus Earthquake https://doi.org/10.1029/2021GL093111 https://doi.org/10.1029/2021GL093111