Prefecture
Gunma Prefecture
Japan · Asia
Gunma Prefecture is a prefecture of Japan, in Asia. It lies on the Okhotsk Plate. Records include 4 volcanoes, 1 tsunami observed on its coasts and 2 cyclones crossing it with hurricane-force winds.
Tectonic Plates
Hazard Levels
Hazard level assessed by ThinkHazard! (World Bank, GFDRR), meaning the likelihood of a damaging event, from very low to high.
- Urban FloodHigh
- EarthquakeHigh
- LandslideHigh
- VolcanoHigh
- CycloneHigh
- Extreme HeatHigh
- River FloodMedium
- WildfireMedium
- Water ScarcityLow
Volcanoes (4)
Tsunamis Observed on Its Coasts
- 1923Sagami Bay, Japan · 13.0 m105,385 deaths
Tropical Cyclones
- 1979Typhoon TipCat. 5
- 1966Typhoon IdaCat. 3
Sources: Natural Earth · Smithsonian GVP · NOAA NCEI · IBTrACS · GEM · Bird (2003), PB2002