AFAICT the JMA press release[^1] says this is just "Sagami Trough"[2] subduction, nothing out of the ordinary. It also mentions that between the two most-recent

AFAICT the JMA press release[^1] says this is just "Sagami Trough"[2] subduction, nothing out of the ordinary. It also mentions that between the two most-recent M8+ quakes (1703 and 1923), the recurrence time for ~M7 events was about 27 years. [1]: https://www.jma.go.jp/jma/press/2305/26b/kaisetsu202305262100.pdf https://www.jma.go.jp/jma/press/2305/26b/kaisetsu20230526210... [2]: https://en.wikipedia.org/wiki/Sagami_Trough https://en.wikipedia.org/wiki/Sagami_Trough