According to the meteorological observatory, the 1-minute mean amplitude of the north-south motion component of the Nakadake west flank observation station exceeded 2.5 micrometers per second for about 15 minutes each at 7:00 and 10:00 today. After that, it passed in a small state. The volcanic plume and other conditions are unknown due to clouds, and no particular changes in crustal movements have been observed.
Since the amplitude of volcanic tremors at Mt. Aso remained large on January 30, this year, the volcanic alert level was raised to Level 2 (regulation around the crater), and on March 23, the volcanic alert level was raised to Level 1 (active volcano). Note that).
There is a possibility that sand and volcanic ash may erupt inside the crater, so be careful of volcanic gas near the crater. Please do not enter dangerous areas according to the instructions of local governments.
» Weather News Volcano Information
2023-07-07 03:42:00
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