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Asamayama volcano (Honshu, Japan) - Smithsonian / USGS Weekly Volcanic Activity Report for 24 June-30 June 2020 (New Activity / Unrest)

Wed, 24 Jun 2020, 06:00
06:00 AM | BY: VN
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.

Source: Japan Meteorological Agency (JMA)
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From: Global Volcanism Program, 2020. Report on Asamayama. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 24 June-30 June 2020. Smithsonian Institution and US Geological Survey.

Previous news

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
Mon, 26 Aug 2019, 07:02

Asama volcano (Honshu Island, Japan): small new eruption

Ash plume from Asama volcano yesterday evening (image: Asama live webcam)
Another small eruption occurred at the volcano yesterday evening at 19:28 local time, producing a plume of steam with some ash that rose approx. 600 m above the active crater. Read all
Show more

Asamayama volcano (Honshu, Japan) - Smithsonian / USGS Weekly Volcanic Activity Report for 24 June-30 June 2020 (New Activity / Unrest)

Wed, 24 Jun 2020, 06:00
06:00 AM | BY: VN
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.

Source: Japan Meteorological Agency (JMA)
---
From: Global Volcanism Program, 2020. Report on Asamayama. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 24 June-30 June 2020. Smithsonian Institution and US Geological Survey.

Previous news

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
Mon, 26 Aug 2019, 07:02

Asama volcano (Honshu Island, Japan): small new eruption

Ash plume from Asama volcano yesterday evening (image: Asama live webcam)
Another small eruption occurred at the volcano yesterday evening at 19:28 local time, producing a plume of steam with some ash that rose approx. 600 m above the active crater. Read all
Show more
Asama volcano
complex volcano 2568 m / 8,425 ft
Honshu (Japan), 36.4°N / 138.53°E
Current status: normal or dormant (1 out of 5)
Asama webcams / live data | News/Updates | Earthquakes | Books
Asama volcano eruptions:
2019, 2015, 2009, 2008, 2004, 2003, 1990, 1983, 1982, 1982, 1973, 1965, 1961, 1958-59, 1953-55, 1952, 1952, 1950-51, 1949, 1947, 1946, 1944-45, 1938-42, 1935-37, 1934, 1934, 1933, 1931-32, 1930, 1929, 1929, 1927-28, 1924, 1922, 1920-21, 1919, 1918(?), 1917, 1916, 1915, 1914, 1909-14, 1908, 1908, 1907, 1907, 1906, 1905(?), 1904, 1903, 1902, 1902, 1900-01, 1899, 1899, 1894, 1889, 1879, 1878(?), 1875, 1869, 1815, 1803, 1803, 1783, 1779(?), 1777, 1776, 1769, 1762, 1755, 1754, 1733, 1732, 1731, 1729, 1729, 1728, 1723, 1723, 1722, 1721, 1720, 1719, 1718, 1717, 1711, 1710, 1708-09, 1706, 1704, 1703, 1669, 1661, 1661, 1660, 1659, 1658, 1657, 1656, 1655, 1653, 1652, 1651, 1650(?), 1649, 1648, 1648, 1647, 1645, 1644, 1609, 1605, 1604, 1600, 1598, 1597, 1596, 1596, 1595(?), 1591, 1590, 1532, 1528, 1527, 1518, 1427(?), 1281, 1108, 887, 685
Typical eruption style
explosive
Assama volcano satellite image by (c) Google Earth View & VolcanoDiscovery
Assama volcano satellite image by (c) Google Earth View & VolcanoDiscovery
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