Like many areas of Japan , Hokkaido is seismically active . Aside from numerous earthquakes , the following volcanoes are still considered active ( at least one eruption since 1850 ) : In 1993 , an earthquake of magnitude 7.7 generated a tsunami which devastated Okushiri , killing 202 inhabitants . An earthquake of magnitude 8.3 struck near the island on 26 September 2003
earthquake
2003 Hokkaidō earthquake
Hokkaido