Asama volcano (Honshu, Japan): increased seismic activity
Fri, 26 Jun 2020, 07:2007:20 AM | BY: MARTIN
The Japan Meteorological Agency (JMA) reported that seismic activity has increased during the past days.
Asama volcano today (image: Asama Live)
Since 20 June the seismic activity on the west flank of the volcano continues at fluctuating levels. On 24 and 25 June the seismic station records 59 and 69 volcano-tectonic earthquakes, respectively.
An eruption could occur with no warning.
The warning bulletin states that ballistic impacts of volcanic bombs and pyroclastic flows could affect an area of about 2 km distance from the main crater.
Source: Japan Meteorological Agency volcano activity update 26 June 2020
Wed, 24 Jun 2020, 06:00
Asamayama volcano (Honshu, Japan) - Smithsonian / USGS Weekly Volcanic Activity Report for 24 June-30 June 2020 (New Activity / Unrest)
On 25 June JMA raised the Alert Level for Asamayama to 2 (on a scale of 1-5) noting that inflation on the W flank had been recorded since 20 June. The number of shallow (just below the summit, or 1-2 km a.s.l.) volcanic earthquakes had also increased; two volcanic tremors were detected on 20 June. Emissions form the summit crater had not changed and continued to be white in color and rise no more than 200 m above the crater rim. ... Read all
Wed, 6 Nov 2019, 06:00
Asamayama volcano (Honshu, Japan) - Smithsonian / USGS Weekly Volcanic Activity Report for 6 November-12 November 2019 (Continuing Activity)
On 6 November JMA lowered the Alert Level for Asamayama to 1 (on a scale of 1-5) noting that no eruptions had occurred since 26 August, volcanic tremor had not been recorded since early September, and volcanic gas emissions had been generally low. ... Read all