William Lil’ info on that quake you just felt: epicenter Yatsushiro, depth 10km, magnitude 4.7, 5 weak on the Japanese scale. The way it’s lined up makes it appear to have occurred on the Hinagu fault, which you can play with here: https://gbank.gsj.jp/geonavi/geonavi.php#11,32.71327,130.77556