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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 Matsumoto, Japan · Japan · 30 Apr 2026Military force used in Matsumoto, Japan · Japan · 30 Apr 2026Military force used in Matsumoto, Japan · Japan · 30 Apr 2026Military force used in Kawaguchi, Japan · Japan · 30 Apr 2026Military force used in Kure, Japan · Japan · 30 Apr 2026Assault in Kure, Japan · Japan · 30 Apr 2026Nuclear alert in Kawaguchi, Japan · Japan · 30 Apr 2026Military force used in Kawaguchi, Japan · Japan · 30 Apr 2026Military force used in Kawaguchi, Japan · Japan · 30 Apr 2026Assault in Kawaguchi, Japan · Japan · 30 Apr 2026Assault in Matsumoto, Japan · Japan · 30 Apr 2026Military force used in Matsumoto, Japan · Japan · 30 Apr 2026Military force used in Itoshima, Japan · Japan · 30 Apr 2026Military force used in Kawaguchi, Japan · Japan · 30 Apr 2026Military force used in Sagamihara, Japan · Japan · 30 Apr 2026Assault in Matsumoto, Japan · Japan · 30 Apr 2026Nuclear alert in Yokosuka, Japan · Japan · 30 Apr 2026Martial law in Matsumoto, Japan · Japan · 30 Apr 2026Military force used in Matsumoto, Japan · Japan · 30 Apr 2026Military force used in Matsumoto, Japan · Japan · 30 Apr 2026Nuclear alert in Yaizu, Japan · Japan · 29 Apr 2026Nuclear alert in Kawaguchi, Japan · Japan · 29 Apr 2026Military force used in Matsumoto, Japan · Japan · 29 Apr 2026Military force used in Kawasaki, Japan · Japan · 29 Apr 2026Assault in Ginowan, Japan · Japan · 29 Apr 2026Assault in Sasebo, Japan · Japan · 29 Apr 2026Assault in Kawaguchi, Japan · Japan · 29 Apr 2026Nuclear alert in Matsumoto, Japan · Japan · 29 Apr 2026Military force used in Matsumoto, Japan · Japan · 29 Apr 2026Military force used in Matsumoto, Japan · Japan · 29 Apr 2026Military force used in Sagamihara, Japan · Japan · 29 Apr 2026Military force used in Matsumoto, Japan · Japan · 29 Apr 2026Military force used in Kawaguchi, Japan · Japan · 29 Apr 2026Military posture change in Matsumoto, Japan · Japan · 29 Apr 2026Assault in Matsumoto, Japan · Japan · 29 Apr 2026Military force used in Hofu, Japan · Japan · 29 Apr 2026Military force used in Kawaguchi, Japan · Japan · 29 Apr 2026Military force used in Matsumoto, Japan · Japan · 29 Apr 2026Military force used in Sagamihara, Japan · Japan · 29 Apr 2026Military force used in Osaka, Japan · Japan · 29 Apr 2026Military force used in Matsumoto, Japan · Japan · 29 Apr 2026Military force used in Kawaguchi, Japan · Japan · 29 Apr 2026Military force used in Matsumoto, Japan · Japan · 29 Apr 2026Military force used in Matsumoto, Japan · Japan · 29 Apr 2026Military force used in Narita, Japan · Japan · 29 Apr 2026Assault in Kawaguchi, Japan · Japan · 29 Apr 2026Nuclear alert in Matsumoto, Japan · Japan · 29 Apr 2026Demonstration in Kawaguchi, Japan · Japan · 30 Apr 2026Demonstration in Matsumoto, Japan · Japan · 30 Apr 2026Demonstration in Matsumoto, Japan · Japan · 30 Apr 2026
Earthquake
5
0 in the list
Disaster
0
0 in the list
Conflict
659
47 in the list
Unrest
91
3 in the list
Advisory
0
0 in the list

Signal

How the picture is moving

Bars: this period · Markers: 90-day daily baseline × days

Events by type

Against the 90-day baseline

Earthquake
90-day baseline: 7.7
5
Disaster
90-day baseline: 0.3
0
Conflict
90-day baseline: 564
659
Unrest
90-day baseline: 81.7
91
Advisory
90-day baseline: 0
0

Events per day

Loading chart...
Events per bucket and type (data behind the chart)
DateEarthquakeDisasterConflictUnrestAdvisoryFire hotspots
2026-04-01100000
2026-04-02000000
2026-04-03002000
2026-04-040010014
2026-04-0500141013
2026-04-060014103
2026-04-070028202
2026-04-0800324035
2026-04-090023300
2026-04-100022300
2026-04-1100135017
2026-04-1200120053
2026-04-1300232011
2026-04-140019804
2026-04-150027900
2026-04-1600182031
2026-04-170028301
2026-04-1820195011
2026-04-1900171032
2026-04-200040605
2026-04-2100482011
2026-04-2200353011
2026-04-231023202
2026-04-2400344016
2026-04-2500255015
2026-04-2610295018
2026-04-2700377017
2026-04-280027500
2026-04-290029000
2026-04-300020300

Events

What is happening now

755 events · newest first

  1. Conflict

    Military force used in Matsumoto, Japan

    Severity 3 · Matsumoto · Source: gdelt

  2. Conflict

    Military force used in Matsumoto, Japan

    Severity 3 · Matsumoto · Source: gdelt

  3. Conflict

    Military force used in Matsumoto, Japan

    Severity 3 · Matsumoto · Source: gdelt

  4. Conflict

    Military force used in Kawaguchi, Japan

    Severity 3 · Kawaguchi · Source: gdelt

  5. Conflict

    Military force used in Kure, Japan

    Severity 3 · Kure · Source: gdelt

  6. Conflict

    Assault in Kure, Japan

    Severity 2 · Kure · Source: gdelt

  7. Conflict

    Nuclear alert in Kawaguchi, Japan

    Severity 4 · Kawaguchi · Source: gdelt

  8. Conflict

    Military force used in Kawaguchi, Japan

    Severity 3 · Kawaguchi · Source: gdelt

  9. Conflict

    Military force used in Kawaguchi, Japan

    Severity 3 · Kawaguchi · Source: gdelt

  10. Conflict

    Assault in Kawaguchi, Japan

    Severity 2 · Kawaguchi · Source: gdelt

  11. Conflict

    Assault in Matsumoto, Japan

    Severity 2 · Matsumoto · Source: gdelt

  12. Conflict

    Military force used in Matsumoto, Japan

    Severity 3 · Matsumoto · Source: gdelt

  13. Conflict

    Military force used in Itoshima, Japan

    Severity 3 · Itoshima · Source: gdelt

  14. Conflict

    Military force used in Kawaguchi, Japan

    Severity 3 · Kawaguchi · Source: gdelt

  15. Conflict

    Military force used in Sagamihara, Japan

    Severity 3 · Sagamihara · Source: gdelt

  16. Conflict

    Assault in Matsumoto, Japan

    Severity 2 · Matsumoto · Source: gdelt

  17. Conflict

    Nuclear alert in Yokosuka, Japan

    Severity 4 · Yokosuka · Source: gdelt

  18. Conflict

    Martial law in Matsumoto, Japan

    Severity 3 · Matsumoto · Source: gdelt

  19. Conflict

    Military force used in Matsumoto, Japan

    Severity 3 · Matsumoto · Source: gdelt

  20. Conflict

    Military force used in Matsumoto, Japan

    Severity 3 · Matsumoto · Source: gdelt

  21. Unrest

    Demonstration in Kawaguchi, Japan

    Severity 3 · Kawaguchi · Source: gdelt

  22. Unrest

    Demonstration in Matsumoto, Japan

    Severity 3 · Matsumoto · Source: gdelt

  23. Unrest

    Demonstration in Matsumoto, Japan

    Severity 3 · Matsumoto · Source: gdelt

  24. Conflict

    Nuclear alert in Yaizu, Japan

    Severity 4 · Yaizu · Source: gdelt

  25. Conflict

    Nuclear alert in Kawaguchi, Japan

    Severity 4 · Kawaguchi · Source: gdelt

  26. Conflict

    Military force used in Matsumoto, Japan

    Severity 3 · Matsumoto · Source: gdelt

  27. Conflict

    Military force used in Kawasaki, Japan

    Severity 3 · Kawasaki · Source: gdelt

  28. Conflict

    Assault in Ginowan, Japan

    Severity 2 · Ginowan · Source: gdelt

  29. Conflict

    Assault in Sasebo, Japan

    Severity 2 · Sasebo · Source: gdelt

  30. Conflict

    Assault in Kawaguchi, Japan

    Severity 2 · Kawaguchi · Source: gdelt

  31. Conflict

    Nuclear alert in Matsumoto, Japan

    Severity 4 · Matsumoto · 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

    Military force used in Sagamihara, Japan

    Severity 3 · Sagamihara · Source: gdelt

  35. Conflict

    Military force used in Matsumoto, Japan

    Severity 3 · Matsumoto · Source: gdelt

  36. Conflict

    Military force used in Kawaguchi, Japan

    Severity 3 · Kawaguchi · Source: gdelt

  37. Conflict

    Military posture change in Matsumoto, Japan

    Severity 2 · Matsumoto · Source: gdelt

  38. Conflict

    Assault in Matsumoto, Japan

    Severity 2 · Matsumoto · Source: gdelt

  39. Conflict

    Military force used in Hofu, Japan

    Severity 3 · Hofu · Source: gdelt

  40. Conflict

    Military force used in Kawaguchi, Japan

    Severity 3 · Kawaguchi · Source: gdelt

  41. Conflict

    Military force used in Matsumoto, Japan

    Severity 3 · Matsumoto · Source: gdelt

  42. Conflict

    Military force used in Sagamihara, Japan

    Severity 3 · Sagamihara · Source: gdelt

  43. Conflict

    Military force used in Osaka, Japan

    Severity 3 · Osaka · Source: gdelt

  44. Conflict

    Military force used in Matsumoto, Japan

    Severity 3 · Matsumoto · Source: gdelt

  45. Conflict

    Military force used in Kawaguchi, Japan

    Severity 3 · Kawaguchi · Source: gdelt

  46. Conflict

    Military force used in Matsumoto, Japan

    Severity 3 · Matsumoto · Source: gdelt

  47. Conflict

    Military force used in Matsumoto, Japan

    Severity 3 · Matsumoto · Source: gdelt

  48. Conflict

    Military force used in Narita, Japan

    Severity 3 · Narita · Source: gdelt

  49. Conflict

    Assault in Kawaguchi, Japan

    Severity 2 · Kawaguchi · Source: gdelt

  50. Conflict

    Nuclear alert in Matsumoto, Japan

    Severity 4 · Matsumoto · 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.