Prior  Click here
Next   Click here
Historical Richter
8.0 or greater
earthquakes. When
the 11 events east
of Hokkaido split
into two clusters
we obtain five
clusters with three
prominent outliers
- the red dot
(06/11/1902 8.0) ;
the orange dot
south of
(05/01/1915 8.3
paired with an
earlier 7.7) and the
yellow dot on
western Honshu
(02/07/1897 8.3)