- 421.2000 CEEarthquake — 33 km S of Kushima, Japan (Mwc 6)
- 422.2000 CEEarthquake — 31 km ESE of Hitachi, Japan (Mwc 6)
- 423.1998 CEEarthquake — 22 km S of Kushima, Japan (Mwc 6)
- 424.1997 CEEarthquake — 61 km SSE of Shizunai-furukawach?, Japan (Mwc 6)
- 425.1996 CEEarthquake — 25 km NE of Shinj?, Japan (Mwb 6)
- 426.1995 CEEarthquake — 30 km NW of Otrada, Russia (Mw 6)
- 427.1993 CEEarthquake — 108 km ESE of Shizunai-furukawach?, Japan (Mw 6)
- 428.1992 CEEarthquake — 50 km NE of Makubetsu, Japan (Mw 6)
- 429.1991 CEEarthquake — 19 km E of Hasaki, Japan (Mwb 6)
- 430.1988 CEEarthquake — 56 km SE of Obihiro, Japan (Mw 6)
- 431.1988 CEEarthquake — 6 km SSE of Shimo-furano, Japan (mb 6)
- 432.1986 CEEarthquake — 31 km SE of ?funato, Japan (Mw 6)
- 433.1983 CEEarthquake — 69 km SSE of Shizunai-furukawach?, Japan (Mw 6)
- 434.1980 CEEarthquake — 7 km NNE of Kisarazu, Japan (mb 6)
- 435.1974 CEEarthquake — 21 km SE of Tomakomai, Japan (mb 6)
- 436.1640 CEVolcanic Eruption — Hokkaido-Komagatake, Japan (VEI 5)· 700 deaths
- 437.1663 CEVolcanic Eruption — Toya, Japan (VEI 5)· 5 deaths
- 438.1471 CEVolcanic Eruption — Aira, Japan (VEI 5)
- 439.1783 CEVolcanic Eruption — Asamayama, Japan (VEI 4)· 1,491 deaths
- 440.1888 CEVolcanic Eruption — Bandaisan, Japan (VEI 4)· 461 deaths
- 441.1779 CEVolcanic Eruption — Aira, Japan (VEI 4)· 153 deaths
- 442.764 CEVolcanic Eruption — Aira, Japan (VEI 4)· 80 deaths
- 443.1914 CEVolcanic Eruption — Aira, Japan (VEI 4)· 63 deaths
- 444.1822 CEVolcanic Eruption — Toya, Japan (VEI 4)· 50 deaths
- 445.1781 CEVolcanic Eruption — Aira, Japan (VEI 4)· 38 deaths
- 446.1856 CEVolcanic Eruption — Hokkaido-Komagatake, Japan (VEI 4)· 25 deaths
- 447.1933 CEVolcanic Eruption — Kuchinoerabujima, Japan (VEI 4)· 8 deaths
- 448.1929 CEVolcanic Eruption — Hokkaido-Komagatake, Japan (VEI 4)· 2 deaths
- 449.1780 CEVolcanic Eruption — Aira, Japan (VEI 4)
- 450.1780 CEVolcanic Eruption — Aira, Japan (VEI 4)
- 451.1707 CEVolcanic Eruption — Fujisan, Japan (VEI 4)
- 452.1410 CEVolcanic Eruption — Nasudake, Japan (VEI 3)· 180 deaths
- 453.1926 CEVolcanic Eruption — Tokachidake, Japan (VEI 3)· 144 deaths
- 454.2014 CEVolcanic Eruption — Ontakesan, Japan (VEI 3)· 55 deaths
- 455.1792 CEVolcanic Eruption — Unzendake, Japan (VEI 2)· 15,000 deaths
- 456.1598 CEVolcanic Eruption — Asamayama, Japan (VEI 2)· 800 deaths
- 457.1900 CEVolcanic Eruption — Adatarayama, Japan (VEI 2)· 72 deaths
- 458.1923 CETsunami — Sagami Bay· 105,385 deaths
- 459.1792 CETsunami — Shimabara Bay, Kyushu Island· 15,000 deaths
- 460.2011 CEFlood — Japan· 10,000 deaths
- 461.1586 CETsunami — Ise Bay· 8,000 deaths
- 462.1855 CETsunami — Tokaido· 6,757 deaths
- 463.1995 CETsunami — Kobe, Japan· 6,434 deaths
- 464.1611 CEEarthquake — Japan, Aidu· 3,700 deaths
- 465.1927 CETsunami — Sw. Honshu Island· 3,022 deaths
- 466.1945 CETsunami — Tokaido· 2,306 deaths
- 467.1751 CETsunami — Nw. Honshu Island· 2,100 deaths
- 468.887 CETsunami — Niigata· 2,000 deaths
- 469.1766 CETsunami — Sanriku· 1,700 deaths
- 470.744 CETsunami — Sw. Kyushu Island· 1,520 deaths
- 471.1666 CEEarthquake — Japan, Takata· 1,500 deaths
- 472.1828 CEEarthquake — Japan, Sandyo In Etigo· 1,443 deaths
- 473.1854 CEEarthquake — Japan, Iga, Ise, Yamato· 1,352 deaths
- 474.1700 CETsunami — Nagasaki Prefecture· 1,001 deaths
- 475.1026 CETsunami — Off Masuda, Shimane Prefecture· 1,001 deaths
- 476.1711 CETsunami — Seionaikai, Japan· 1,000 deaths
- 477.1700 CETsunami — Tsushima, Nagasaki Prefecture· 1,000 deaths
- 478.1872 CETsunami — Sw. Honshu Island· 804 deaths
- 479.1894 CETsunami — Yamagata, Japan· 726 deaths
- 480.1596 CETsunami — Beppu Bay, Kyushu· 708 deaths
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