Data
The Number of Disaster Occurrence
| Year | Debris Flow | Slope Failure | Landslide | Total |
|---|---|---|---|---|
| 1982 | 293 | 1567 | 147 | 2007 |
| 1983 | 352 | 1093 | 119 | 1564 |
| 1984 | 67 | 103 | 51 | 221 |
| 1985 | 165 | 538 | 145 | 848 |
| 1986 | 104 | 356 | 102 | 562 |
| 1987 | 165 | 186 | 70 | 421 |
| 1988 | 181 | 291 | 102 | 574 |
| 1989 | 200 | 345 | 111 | 656 |
| 1990 | 238 | 852 | 180 | 1270 |
| 1991 | 2879* | 599 | 122 | 3600 |
| 1992 | 4035* | 232 | 55 | 4322 |
| 1993 | 2288* | 1413 | 171 | 3872 |
| 1994 | 853 | 142 | 68 | 1063 |
| 1995 | 309 | 347 | 237 | 893 |
| 1996 | 91 | 258 | 64 | 413 |
| 1997 | 101 | 917 | 136 | 1154 |
| 1998 | 317 | 1160 | 152 | 1629 |
| 1999 | 373 | 960 | 168 | 1501 |
| 2000 | 180 | 291 | 137 | 608 |
| 2001 | 48 | 365 | 96 | 509 |
| 2002 | 46 | 275 | 218 | 539 |
| 2003 | 57 | 712 | 128 | 897 |
| 2004 | 565 | 1511 | 461 | 2537 |
| 2005 | 158 | 483 | 173 | 814 |
| 2006 | 169 | 1057 | 215 | 1441 |
| 2007 | 129 | 675 | 162 | 966 |
* : Data of debris flow from 1991 to 1993 include pyroclastic flow caused by the eruption of Mt. Unzen Fugendake in Nagasaki pref.
