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Asama volcano
complex volcano 2568 m / 8,425 ft
Honshu, Japan, 36.4°N / 138.53°E
Current status: restless (2 out of 5)
Asama webcams / live data | Reports
Asama volcano 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
Last earthquakes nearby
Latest satellite images

Sentinel hub | Landsat 8
Assama volcano satellite image by (c) Google Earth View & VolcanoDiscovery
Assama volcano satellite image by (c) Google Earth View & VolcanoDiscovery
 

Asama volcano news & activity updates

Asama volcano (Honshu, Japan): increased seismic activity

Friday Jun 26, 2020 07:20 AM | BY: MARTIN

Asama volcano today (image: Asama Live)
Asama volcano today (image: Asama Live)
The Japan Meteorological Agency (JMA) reported that seismic activity has increased during the past days.
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
Previous news
Asama volcano (Honshu Island, Japan): small new eruption
Ash plume from Asama volcano yesterday evening (image: Asama live webcam)
Monday, Aug 26, 2019
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. ... [more]
Asama Volcano Volcanic Ash Advisory: POSS ERUPTION AT 20190825/1028Z VA CLD UNKNOWN OBS VA DTG: 25/1020Z
Satellite image of Asama volcano on 25 Aug 2019
Sunday, Aug 25, 2019
Asama volcano (Honshu Island, Japan): new eruption
Eruption of Asama volcano yesterday (image: JMA webcam)
Thursday, Aug 08, 2019
A small eruption occurred at the volcano yesterday, apparently with little warning. An explosion produced an ash plume that rose approx. 1800 m above the crater. ... [more]
Asama volcano (Honshu, Japan) activity update
Steam and ash plume from Asama volcano
Monday, Jun 22, 2015
Weak activity continues from the volcano's summit crater. Small ash emissions, intense degassing as well as weak incandescence from the volcano's crater have been observed during the past days. [more]
Asama volcano (Japan): small eruption this morning
Tuesday, Jun 16, 2015
A small eruption occurred at the volcano this morning around 9am local time. ... [more]

Asama volcano (Honshu, Japan): increased seismic activity

Friday Jun 26, 2020 07:20 AM | BY: MARTIN

Asama volcano today (image: Asama Live)
Asama volcano today (image: Asama Live)
The Japan Meteorological Agency (JMA) reported that seismic activity has increased during the past days.
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
Previous news
Asama volcano (Honshu Island, Japan): small new eruption
Ash plume from Asama volcano yesterday evening (image: Asama live webcam)
Monday, Aug 26, 2019
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. ... [more]
Asama Volcano Volcanic Ash Advisory: POSS ERUPTION AT 20190825/1028Z VA CLD UNKNOWN OBS VA DTG: 25/1020Z
Satellite image of Asama volcano on 25 Aug 2019
Sunday, Aug 25, 2019
Asama volcano (Honshu Island, Japan): new eruption
Eruption of Asama volcano yesterday (image: JMA webcam)
Thursday, Aug 08, 2019
A small eruption occurred at the volcano yesterday, apparently with little warning. An explosion produced an ash plume that rose approx. 1800 m above the crater. ... [more]
Asama volcano (Honshu, Japan) activity update
Steam and ash plume from Asama volcano
Monday, Jun 22, 2015
Weak activity continues from the volcano's summit crater. Small ash emissions, intense degassing as well as weak incandescence from the volcano's crater have been observed during the past days. [more]
Asama volcano (Japan): small eruption this morning
Tuesday, Jun 16, 2015
A small eruption occurred at the volcano this morning around 9am local time. ... [more]

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