Open Earth

Japan

Natural hazards, earthquakes, volcanoes, weather warnings and conditions across Japan, with every town we track. Updated automatically from official sources.

Notable events, 12 months

518

Quakes, 12 months (all sizes)

515

Strongest quake, 10 years

M7.6

Active now

0

Storms, fires, floods and more

Hazard summary for Japan

In the past 12 months Open Earth recorded 518 notable hazard events in Japan: 515 earthquakes, 2 floods, 1 storm. Seismic networks logged 515 earthquakes of all sizes over the same period. The strongest earthquake in the last ten years measured magnitude 7.6. There are 116 volcanoes in Japan.

By hazard

Notable events in the last 30 days and 12 months.

Notable events by month, last 12 months

Temperature and air quality history

The extremes across every city we monitor in Japan, day by day.

Daily highest and lowest temperature, last 30 days

Each bar runs from the coldest low (teal) to the hottest high (orange) recorded anywhere in Japan that day.

31°C2°C
16 Oct18 Oct

Worst air quality each day

16 Oct18 Oct
Hottest day on record
29°C / 85°F
Kotō · 18 Oct 2026
Coldest night on record
3°C / 38°F
Sapporo · 17 Oct 2026
Worst air on record
AQI 108
Miyazaki · 17 Oct 2026

Monitored cities, hottest first

Records since tracking began on 16 Oct 2026. Hourly modelled values from Open-Meteo, stored permanently by Open Earth.

Recent activity

Notable events in Japan in the last 90 days.

Strongest earthquakes on record

Magnitude 2.5 and above, since 1900.

Deadliest disasters in history

Damaging earthquakes, tsunamis and eruptions in Japan, from NOAA records going back centuries.

  • M7.9 earthquake, Tokyo, Yokohama

    1 September 1923Triggered a tsunami105,385 killed52,074 injured695,000 homes destroyed$600m damage

  • M8.3 earthquake, Sanriku

    15 June 1896Triggered a tsunami27,122 killed9,247 injured11,000 homes destroyed

  • M7.1 earthquake, Kamakura

    27 May 1293Triggered a tsunami23,024 killed

  • M9.1 earthquake, Honshu

    11 March 2011Triggered a tsunami18,423 killed6,167 injured123,661 homes destroyed$220,137m damage

  • M6.4 earthquake, Kyusyu Island

    21 May 1792Triggered a tsunami15,030 killed707 injured6,200 homes destroyed

  • Unzendake eruption (VEI 2)

    21 May 179215,000 killed707 injured6,200 homes destroyed

  • M7.4 earthquake, Ryukyu Islands

    24 April 1771Triggered a tsunami13,486 killed3,237 homes destroyed

  • M7.4 earthquake, Zenkoji, Nagano

    8 May 184712,000 killed34,000 homes destroyed

  • M8.2 earthquake, Ise Bay

    18 January 1586Triggered a tsunami8,000 killed10,000 homes destroyed

  • M8.4 earthquake, Mino-Owari

    27 October 18917,273 killed142,177 homes destroyed

Satellite fire detections

Heat signatures spotted by NASA's VIIRS satellite instrument in Japan. These include wildfires, farm burning and industrial heat.

Satellite fire detections are being connected. Counts for Japan will appear here automatically once the feed starts.

Rocket launches

117 launches on record from 4 launch sites in Japan, 5 in the last 12 months.

All launches

Next launches

Recent launches

Regions of Japan

47 regions and 1,216 towns tracked.