Updated: 18 September, 2018.

The following announcement is from the Japan Meteorological Agency (Sendai Branch) at 1:00 pm September 15, 2018. This announcement means that there will be restricted access to the Bandai-Azuma Skyline (including Jododaira and Mt. Azuma Kofuji) while the Volcanic Warning Level 2 is in place. Stay tuned for further updates.


Japan Meteorological Agency (Sendai Branch)
1:00 pm September 15, 2018.

Azumayama Volcanic Warning (Crater Area)

The Volcanic Warning for Azumayama has been raised from Level 1 (Potential for increased activity) to Level 2 (Do not approach the crater). Possibility of small-scale eruption. A 1.5 km radius exclusion zone is now in effect around the crater.

1. Continued monitoring of Volcanic Activity

Volcanic activity was recorded at 9:13 am on September 15, 2018 around Azumayama. The Azuma-Kofuji Eastern Measurement Station (located 2 km east-south-east of the main crater) recorded a peak amplitude of 6.7 micrometers/second over a continuous period of 4 minutes 40 seconds. The Jododaira Measurement Station (located 1 km east-south-east) recorded a continuous angular change in a west-north-west direction (in the direction of the main crater). There is a possibility of a small-scale eruption around Azumayama. Please be advised that there is a possibility of volcanic rocks being ejected within 1.5 km of the main crater.

2. Affected Municipalities

The following municipalities are effected by restrictions to the area around the crater:

Fukushima Prefecture: Fukushima City, Inawashiro.

3. Items for Additional Precaution

Be aware that volcanic material may be ejected from the crater within a radius of 1.5 km.

Please follow any directions from members of the Japanese Self-Defense Force that you may encounter in the area.

Be aware that small projectiles, volcanic ash, and gas may be blown down wind from the main crater.


Check the follow link for up to date information Azumayama (Japanese):
Check the following link for further information about Volcanic Warning Levels (English):
Fukushima City have also issued a press release about the safety of Fukushima City onsens.
Azumayama English