| Country | Natural hazards |
| Jan Mayen | dominated by the volcano Haakon VII Toppen/Beerenberg; volcanic activity resumed in 1970; the most recent eruption occurred in 1985 |
| Japan | many dormant and some active volcanoes; about 1,500 seismic occurrences (mostly tremors) every year; tsunamis; typhoons |
| Jersey | NA |
| Jordan | droughts; periodic earthquakes |
| Kazakhstan |  earthquakes in the south; mudslides around Almaty |
| Kenya | recurring drought; flooding during rainy seasons |
| Kiribati | typhoons can occur any time, but usually November to March; occasional tornadoes; low level of some of the islands make them sensitive to changes in sea level |
| Korea, North | late spring droughts often followed by severe flooding; occasional typhoons during the early fall |
| Korea, South | occasional typhoons bring high winds and floods; low-level seismic activity common in southwest |
| Kosovo | void |
| Kuwait | sudden cloudbursts are common from October to April and bring heavy rain, which can damage roads and houses; sandstorms and dust storms occur throughout the year but are most common between March and August |
| Kyrgyzstan | NA |
| Laos | floods, droughts |
| Latvia | NA |
| Lebanon | dust storms, sandstorms |
| Lesotho | periodic droughts |
| Liberia | dust-laden harmattan winds blow from the Sahara (December to March) |
| Libya | hot, dry, dust-laden ghibli is a southern wind lasting one to four days in spring and fall; dust storms, sandstorms |
| Liechtenstein | NA |
| Lithuania | NA |
| Luxembourg | NA |
| Macau | typhoons |
| Macedonia | high seismic risks |