Japan Volcano AlertsBeyonesu Rocks: volcanic alert level
StatusMarine warninglowered
ベヨネース列岩
JMA’s current status for Beyonesu Rocks is: Marine warning (issued Oct 8, 2026 11:00 JST).
Last updated:
Always follow the latest announcements of the Japan Meteorological Agency and local municipalities, including entry restrictions. This site may lag behind official information. Official information from JMA
Latitude, longitude31.888, 139.918
活火山であることに留意（海底火山）
What the alert levels mean
Level 5 (Evacuate) and Level 4 (Evacuation of elderly people etc.) concern residential areas; Level 3 (Do not approach the volcano) and Level 2 (Do not approach the crater) restrict access to the mountain or crater area; Level 1 means ‘Note that this is an active volcano’. Volcanoes without alert levels receive warnings such as ‘danger near the crater’ instead.