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Risk events in Japan, April 2026

This page tracks significant risk events worldwide in near real time — earthquakes, disaster alerts, armed conflict, unrest and government travel-advisory changes — combining data from the USGS, GDACS, NASA EONET, UCDP, GDELT, ACLED and official travel-advisory sources. Browse what is happening now, or open the monthly and yearly archive for any country.

755 events were recorded: 5 earthquakes, 659 conflict events, and 91 unrest events.

755 eventsSources: gdelt

755 events· Japan

ConflictUnrest

World map of risk events0 countries with events, 50 events plottedMilitary force used in Kawaguchi, Japan · Japan · 20 Apr 2026Military posture change in Matsumoto, Japan · Japan · 20 Apr 2026Nuclear alert in Matsumoto, Japan · Japan · 20 Apr 2026Nuclear alert in Matsumoto, Japan · Japan · 20 Apr 2026Military posture change in Matsumoto, Japan · Japan · 20 Apr 2026Military force used in Matsumoto, Japan · Japan · 20 Apr 2026Military posture change in Matsumoto, Japan · Japan · 20 Apr 2026Military force used in Matsumoto, Japan · Japan · 20 Apr 2026Assault in Osaka, Japan · Japan · 20 Apr 2026Military force used in Kawaguchi, Japan · Japan · 20 Apr 2026Military force used in Matsumoto, Japan · Japan · 20 Apr 2026Military force used in Matsumoto, Japan · Japan · 20 Apr 2026Military force used in Matsumoto, Japan · Japan · 20 Apr 2026Military force used in Matsumoto, Japan · Japan · 20 Apr 2026Military posture change in Kawaguchi, Japan · Japan · 20 Apr 2026Assault in Kawaguchi, Japan · Japan · 20 Apr 2026Military force used in Mutsu, Japan · Japan · 20 Apr 2026Military force used in Hachinohe, Japan · Japan · 20 Apr 2026Nuclear alert in Ginowan, Japan · Japan · 20 Apr 2026Military force used in Matsumoto, Japan · Japan · 20 Apr 2026Military force used in Matsumoto, Japan · Japan · 20 Apr 2026Military force used in Otsu, Japan · Japan · 20 Apr 2026Military force used in Takatsuki, Japan · Japan · 20 Apr 2026Military force used in Morioka, Japan · Japan · 20 Apr 2026Military force used in Matsumoto, Japan · Japan · 20 Apr 2026Assault in Matsumoto, Japan · Japan · 20 Apr 2026Military posture change in Matsumoto, Japan · Japan · 20 Apr 2026Military posture change in Murakami, Japan · Japan · 20 Apr 2026Military posture change in Murakami, Japan · Japan · 20 Apr 2026Military force used in Matsumoto, Japan · Japan · 20 Apr 2026Military posture change in Murakami, Japan · Japan · 20 Apr 2026Military force used in Matsumoto, Japan · Japan · 20 Apr 2026Military force used in Matsumoto, Japan · Japan · 20 Apr 2026Nuclear alert in Kawaguchi, Japan · Japan · 20 Apr 2026Military force used in Matsumoto, Japan · Japan · 20 Apr 2026Military force used in Matsumoto, Japan · Japan · 19 Apr 2026Martial law in Kawaguchi, Japan · Japan · 19 Apr 2026Assault in Kawaguchi, Japan · Japan · 19 Apr 2026Nuclear alert in Matsumoto, Japan · Japan · 19 Apr 2026Military force used in Matsumoto, Japan · Japan · 19 Apr 2026Assault in Matsumoto, Japan · Japan · 19 Apr 2026Military force used in Matsumoto, Japan · Japan · 19 Apr 2026Military force used in Otsu, Japan · Japan · 19 Apr 2026Military force used in Kawaguchi, Japan · Japan · 19 Apr 2026Demonstration in Matsumoto, Japan · Japan · 20 Apr 2026Demonstration in Okazaki, Japan · Japan · 20 Apr 2026Demonstration in Murakami, Japan · Japan · 20 Apr 2026Demonstration in Ginowan, Japan · Japan · 20 Apr 2026Riot in Matsumoto, Japan · Japan · 20 Apr 2026Demonstration in Naha, Japan · Japan · 20 Apr 2026
Earthquake
5
0 in the list
Disaster
0
0 in the list
Conflict
659
44 in the list
Unrest
91
6 in the list
Advisory
0
0 in the list

Events

What is happening now

755 events · newest first

  1. Conflict

    Military force used in Kawaguchi, Japan

    Severity 3 · Kawaguchi · Source: gdelt

  2. Conflict

    Military posture change in Matsumoto, Japan

    Severity 2 · Matsumoto · Source: gdelt

  3. Conflict

    Nuclear alert in Matsumoto, Japan

    Severity 4 · Matsumoto · Source: gdelt

  4. Conflict

    Nuclear alert in Matsumoto, Japan

    Severity 4 · Matsumoto · Source: gdelt

  5. Conflict

    Military posture change in Matsumoto, Japan

    Severity 2 · Matsumoto · Source: gdelt

  6. Conflict

    Military force used in Matsumoto, Japan

    Severity 3 · Matsumoto · Source: gdelt

  7. Conflict

    Military posture change in Matsumoto, Japan

    Severity 2 · Matsumoto · Source: gdelt

  8. Conflict

    Military force used in Matsumoto, Japan

    Severity 3 · Matsumoto · Source: gdelt

  9. Conflict

    Assault in Osaka, Japan

    Severity 2 · Osaka · Source: gdelt

  10. Conflict

    Military force used in Kawaguchi, Japan

    Severity 3 · Kawaguchi · Source: gdelt

  11. Conflict

    Military force used in Matsumoto, Japan

    Severity 3 · Matsumoto · Source: gdelt

  12. Conflict

    Military force used in Matsumoto, Japan

    Severity 3 · Matsumoto · Source: gdelt

  13. Conflict

    Military force used in Matsumoto, Japan

    Severity 3 · Matsumoto · Source: gdelt

  14. Conflict

    Military force used in Matsumoto, Japan

    Severity 3 · Matsumoto · Source: gdelt

  15. Conflict

    Military posture change in Kawaguchi, Japan

    Severity 2 · Kawaguchi · Source: gdelt

  16. Conflict

    Assault in Kawaguchi, Japan

    Severity 2 · Kawaguchi · Source: gdelt

  17. Conflict

    Military force used in Mutsu, Japan

    Severity 3 · Mutsu · Source: gdelt

  18. Conflict

    Military force used in Hachinohe, Japan

    Severity 3 · Hachinohe · Source: gdelt

  19. Conflict

    Nuclear alert in Ginowan, Japan

    Severity 4 · Ginowan · Source: gdelt

  20. Conflict

    Military force used in Matsumoto, Japan

    Severity 3 · Matsumoto · Source: gdelt

  21. Conflict

    Military force used in Matsumoto, Japan

    Severity 3 · Matsumoto · Source: gdelt

  22. Conflict

    Military force used in Otsu, Japan

    Severity 3 · Otsu · Source: gdelt

  23. Conflict

    Military force used in Takatsuki, Japan

    Severity 3 · Takatsuki · Source: gdelt

  24. Conflict

    Military force used in Morioka, Japan

    Severity 3 · Morioka · Source: gdelt

  25. Conflict

    Military force used in Matsumoto, Japan

    Severity 3 · Matsumoto · Source: gdelt

  26. Conflict

    Assault in Matsumoto, Japan

    Severity 2 · Matsumoto · Source: gdelt

  27. Conflict

    Military posture change in Matsumoto, Japan

    Severity 2 · Matsumoto · Source: gdelt

  28. Conflict

    Military posture change in Murakami, Japan

    Severity 2 · Murakami · Source: gdelt

  29. Conflict

    Military posture change in Murakami, Japan

    Severity 2 · Murakami · Source: gdelt

  30. Conflict

    Military force used in Matsumoto, Japan

    Severity 3 · Matsumoto · Source: gdelt

  31. Conflict

    Military posture change in Murakami, Japan

    Severity 2 · Murakami · Source: gdelt

  32. Conflict

    Military force used in Matsumoto, Japan

    Severity 3 · Matsumoto · Source: gdelt

  33. Conflict

    Military force used in Matsumoto, Japan

    Severity 3 · Matsumoto · Source: gdelt

  34. Conflict

    Nuclear alert in Kawaguchi, Japan

    Severity 4 · Kawaguchi · Source: gdelt

  35. Conflict

    Military force used in Matsumoto, Japan

    Severity 3 · Matsumoto · Source: gdelt

  36. Unrest

    Demonstration in Matsumoto, Japan

    Severity 3 · Matsumoto · Source: gdelt

  37. Unrest

    Demonstration in Okazaki, Japan

    Severity 3 · Okazaki · Source: gdelt

  38. Unrest

    Demonstration in Murakami, Japan

    Severity 3 · Murakami · Source: gdelt

  39. Unrest

    Demonstration in Ginowan, Japan

    Severity 3 · Ginowan · Source: gdelt

  40. Unrest

    Riot in Matsumoto, Japan

    Severity 4 · Matsumoto · Source: gdelt

  41. Unrest

    Demonstration in Naha, Japan

    Severity 3 · Naha · Source: gdelt

  42. Conflict

    Military force used in Matsumoto, Japan

    Severity 3 · Matsumoto · Source: gdelt

  43. Conflict

    Martial law in Kawaguchi, Japan

    Severity 3 · Kawaguchi · Source: gdelt

  44. Conflict

    Assault in Kawaguchi, Japan

    Severity 2 · Kawaguchi · Source: gdelt

  45. Conflict

    Nuclear alert in Matsumoto, Japan

    Severity 4 · Matsumoto · Source: gdelt

  46. Conflict

    Military force used in Matsumoto, Japan

    Severity 3 · Matsumoto · Source: gdelt

  47. Conflict

    Assault in Matsumoto, Japan

    Severity 2 · Matsumoto · Source: gdelt

  48. Conflict

    Military force used in Matsumoto, Japan

    Severity 3 · Matsumoto · Source: gdelt

  49. Conflict

    Military force used in Otsu, Japan

    Severity 3 · Otsu · Source: gdelt

  50. Conflict

    Military force used in Kawaguchi, Japan

    Severity 3 · Kawaguchi · Source: gdelt

Reference

What these risk types mean

Earthquake
Significant earthquakes (magnitude 4.5+) reported by the USGS.
Disaster
Active floods, cyclones, volcanoes, droughts and wildfires reported by GDACS and NASA EONET.
Conflict
Armed conflict events above a minimum severity or fatality floor, from UCDP and GDELT.
Unrest
Unrest events — protests, strikes, riots — above a minimum severity or fatality floor, from GDELT and ACLED.
Advisory
Official government travel-advisory level changes for a country.