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Aso volcano
caldera 1592 m / 5,223 ft
central Kyushu, Japan, 32.88°N / 131.11°E
Current status: minor activity or eruption warning (3 out of 5)
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Aso volcano eruptions:
2016, 2014-15, 2011 (May), 2005, 2004, 2003, 1994-95, 1992-93, 1989-91, 1988, 1984-85, 1983, 1981, 1980, 1979-80, 1977-78, 1975-76, 1973-75, 1970-72, 1967-69, 1964-66, 1964, 1963-64, 1963, 1960-62, 1960, 1959, 1957-58, 1957, 1956, 1955, 1954, 1953, 1952(?), 1951, 1950-51, 1949, 1948, 1947, 1946, 1945, 1943-44, 1943, 1942(?), 1940-41, 1938-39, 1937, 1936, 1935, 1934, 1932-33, 1931(?), 1930, 1928-29, 1926-28, 1925, 1923, 1920, 1919, 1918, 1916, 1914, 1911-12, 1910, 1909, 1908, 1907, 1906, 1898-99, 1897, 1894, 1884, 1874, 1872-73, 1856, 1854, 1838, 1837, 1835, 1830-32, 1830, 1829, 1828, 1827-28, 1827, 1826, 1816, 1815, 1814, 1806, 1804, 1781-88, 1772-80, 1765, 1753(?)-54, 1709, 1708(?), 1691, 1683, 1675, 1671, 1668-69, 1668, 1649, 1637, 1631, 1620, 1613, 1612, 1611, 1598-99, 1592, 1587, 1584, 1583, 1582, 1576, 1564, 1563(?), 1562, 1558-59, 1542, 1533, 1522, 1506, 1505, 1485, 1473-74, 1438, 1434, 1390(?) 1388(?), 1387, 1377, 1376, 1375-76, 1369, 1346, 1343, 1340, 1335, 1331-33, 1331, 1324, 1305, 1286, 1281, 1274, 1273, 1272, 1272, 1271, 1269, 1265, 1240, 1239, 1229, 986(?), 867, 864, 796(?), 553
Typical eruption style:
explosive
Last earthquakes nearby
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Sentinel hub | Landsat 8
 

Aso volcano news & activity updates

Aso volcano (central Kyushu, Japan) activity update: degassing, sporadic steam / ash explosions

Tuesday Mar 08, 2016 12:05 PM | BY: T

JMA reported that at 0656 on 4 March an explosion at Asosan’s Nakadake Crater generated a milky-white plume that rose 1 km above the crater rim; white plumes rose 300 m afterwards.
The amplitude of volcanic tremor had increased around the time of the eruption, but then had decreased afterwards. Fieldwork confirmed that a small amount of sediment had been ejected from the crater's hot lake, and ash had fallen on the E side of Aso and in Takamori (10 km ESE). The Alert Level remained at 2 (on a scale of 1-5).

(Smithsonian / USGS Weekly Volcanic Activity Report 2-8 March 2016)
Previous news
Explosion at Aso volcano early on 23 Oct 2015
Monday, Oct 26, 2015
While the volcano continues to degas strongly and has intermittent, mostly small ash emissions, a stronger explosion occurred again early on 23 Oct around 6 am local time. ... [more]
Steam plume from Aso's Nakadake crater today
Thursday, Oct 08, 2015
The volcano continues to be at unrest. The main vent in the Nakadake crater continues to produce mild, sporadic ash emissions and intense degassing, creating a plume that rises few hundred meters. [more]
Weak ash plume rising from Aso's Nakadake crater this morning
Saturday, Oct 03, 2015
After the strong explosion on 14 Sep, the volcano has been rather calm, but continues to emit dilute ash plumes. The volcano remains at level 3 (out of 5) and access to the Nakadake crater closed. [more]
Eruption of Aso volcano this morning
Monday, Sep 14, 2015
A powerful explosion occurred this morning from the Nakadake crater, producing a dense ash cloud that collapsed into several pyroclastic flows and rose approx. 2 km above the crater. ... [more]

Monday, Aug 24, 2015
Activity has been low during the past days, with only intense steaming and dilute ash emissions from the Nakadake crater. Incandescence continues to be visible from the main vent, suggesting magma remains close to the surface. [more]

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