Table 1.
A list of Reported eruptions of Asama, including dismissed reports. |
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Date |
|
Reference |
M |
Fatalities |
|
Remarks |
|
|
|
|
1990.0720 |
|
Kisyo Yoran |
0 |
0 |
|
ashfall up to 8km from
the summit |
|
1983.0408 |
|
Hayakawa (1993) |
1 |
0 |
|
ashfall in Maebashi,
Utsunomiya, Onahama |
|
1982.0426 |
|
Aramaki and Hayakawa (1982) |
1.0 |
0 |
|
ashfall in Tokyo |
|
1973.0201 |
|
Aramaki (1973) |
1 |
0 |
|
small pyroclastic flows |
|
1961.0818 |
|
newspaper and Kisyo Yoran |
1 |
1 |
|
climber killed at 14:41,
ashfall in Mishima and Ajiro |
|
1950.0923 |
|
newspaper |
1 |
1 |
|
climber killed at 04:37,
ashfall in Maebashi (88g/m2), Mito, Tokyo (1.2g/m2) |
1947.0814 |
|
newspaper and Kisyo Yoran |
1 |
11 |
|
climbers killed at 12:17,
ashfall in Maebashi and Yamada Onsen |
|
1941.0713 |
|
Kisyo Yoran |
1 |
1 |
|
climber killed at 13:05 |
|
1938.0716 |
|
Kisyo Yoran |
1 |
a few |
|
climbers killed at 13:01,
ashfall in Kofu, 400g/m2 at 20km S of the summit |
1936.1017 |
|
newspaper |
1 |
1 |
|
climber killed at 09:34 |
|
1936.0729 |
|
Kisyo Yoran |
1 |
1 |
|
climber killed 09:10,
ashfall in Choshi (0.3g/m2) |
|
1931.0820 |
|
newspaper |
|
3? |
|
climbers killed at 03:21,
ashfall in W part of Fukushima Prefecture |
1930.0820 |
|
newspaper |
1 |
6 |
|
climbers killed at 08:14,
ashfall in Maebashi and Ashio |
|
1913.0529 |
|
newspaper |
1 |
1 |
|
climber killed at 10:44 |
|
1911.0815 |
|
newspaper |
1 |
>2 |
|
climbers killed at 04:30 |
|
1911.0508 |
|
newspaper |
1 |
1 |
|
climber killed at 15:30 |
|
1900.0715 |
|
Simkin and Siebert
(1994) |
1 |
|
Reported 25 fatalities is
a misinterpretation of the tragedy at Adatara. |
1783.0508 |
|
Tamura and Hayakawa (1995) |
5 |
1400 |
|
Two
killed by fallout on August 4, 1400 killed by a debris avalanche |
|
|
|
and induced lahar on
August 5. |
|
1721.0622 |
|
Asamayama Oyake Muni |
1 |
15 |
|
killed at the summit. |
|
|
Monogatari |
|
|
|
1598.0513 |
|
Todaiki |
|
|
Description that 800
people were killed at the summit is unreasonable. |
1596.0501 |
|
Tenmei Shinjo Hen'iki |
3 |
some |
|
not a contemporary
document. Pele's hair-fall was observed in Kyoto. |
1532.0104 |
|
Tenmei Shinjo Hen'iki |
2 |
|
not
a contemporary document. Villages along the Jabori River were, |
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|
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reportedly, swept away by
hot lahars. |
|
1281.0700 |
|
Koshiden |
|
|
not a contemporary
document. unreliable |
|
1108.0829 |
|
Chuyuki |
5 |
|
the largest eruption of
Asama through the Holocene |
|
887.0000 |
|
Echigo Nendaiki |
|
|
an eruption of Niigata
Yakeyama |
|
685.0000 |
|
Nihon Shoki |
|
|
|
probably an eruption from
another volcano |
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JMA:
Japan Meteorological Agency |
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Kisyo
Yorai is an monthly publication of JMA. |
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M
is eruption magnitude defined by M = log m -7, where m is mass of magma
erupted in kg. |
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