  /+  (,**0) /  -.1ῌ-/* ῑῌ῏῎ ,**0 ΐ - ῐ ,+ ῒ῔῍

The Eruption of Meakandake Volcano on March ,+, ,**0, Hokkaido, Japan
Hisashi SASAKI , Chiaki INABA and Sakae MUKOYAMA
+ !"#$ B%&' ()*+, ,**/ ; Fig. +-. ,**0 / - 0 ,+1, 2#345678%9:;<=>?@&ABCDEFGH, %I&JKELMNOPPQ, ?@&RN +km S!TUV
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GHU *0 f ,2 g, ab&?@%D *0 f -1

Fig. +.

Locality map of Meakandake Volcano.
¼ +%¼gUPNOcb ()*+, ,**0b-.
 *0*ῌ*2*1¡¢ 1 £? 1 ¤ +ῌ-* RICH
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Hokkaido Branch, Kokusai Kogyo Co., Ltd., RICH
1 · 1BLDG, +ῌ-*, North1 West1, Kita-ku, Sapporo*0*ῌ*2*1, Japan +*,ῌ**2/ ±² ³´¢µ¶ ,§¨©ª«¬­®·¸¹#º»
Department of Research and Development, Head O$ce,
Kokusai Kogyo Co., Ltd., ,, Rokubancho, Chiyodaku, Tokyo +*,ῌ**2/, Japan
Corresponding author : Hisashi Sasaki
e-mail : hisashi_sasaki@kkc.co.jp¶· ¸¹)º»£~ ¼348-  ,**0-:

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Fig. ,. Digital orthophoto after the Eruption of Meakandake Volcano on March ,+, ,**0.
March ,,, ,**0 at ++ a.m.
b ,²³´µ ,**0  -,+ ¡=>?@A@BCDE$ ,**0  -"# 

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Fig. -. Digital orthophoto around New fumaloles.
(a) Digital orthophoto imagery. (b) Digital topographic orthophotomap. Contour map by Hokkaido
Government Kushiro District Public Works Management O$ce (+332).
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...
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$%!&'!()!*+,!-. !
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X
2!Y+Z3![\]3 =^ _ (+310) ` !  a ! <#bcd4e S4eCf +-2 p.
 (+gh! i' (,**0),**0  jkBlm5n6o p4ACq /3 + 0,ῌ0/.
7r'!s89t!u:; (+331)  <vw+,*** < a AC +331 <tx*Cyz+EF +**.

 + {|}~  <| m<    => ,**0  -  ,, Photo +. Meakandake Volcano, taken from the northwest on March ,,, ,**0. Ponmachineshiri crater with smoke at thecenter, Nakamachineshiri crater on the left, and Akan Fuji on the right.
 ,  -< ? ,**0  -  ,, k¡¢£@¤)c¥¦
Photo ,. Digital orthophoto imagery around Ponmachineshiri crater. This imagery is made from the vertical aerial
photographs taken on March ,,, ,**0.
 - {|}~ A<  +333  +*  3 
Photo -. Ponmachineshiri crater before the ,**0 eruption, taken from the west on October 3, +333.
 . {|}~ §<  ,**0  -  ,, Photo .. Ponmachineshiri crater after the ,**0 eruption, taken from the west on March ,,, ,**0.
 / {|}~ A< bcd{¨ +330  ++  ,- 
Photo /. Ponmachineshiri crater and the northeastern slope before the ,**0 eruption, taken from the northwest onNovember ,-, +330.
 0 {|}~ §< bcd{¨ ,**0  -  ,, Photo 0. Ponmachineshiri crater and the northeastern slope after the ,**0 eruption, taken from the northwest on March,,, ,**0.
 1 {¨ k©ª« {%|}~ B¬<ª:CkD­® m<E¯~¢m ,**0 -  ,, Photo 1. Fumaloles formed on the northwestern slope, taken from the west on March ,,, ,**0.
 2 F|}~   <FGHTUkc¥°±I²m ,**0   ,, Photo 2. The aerial view of Ponmachineshiri crater after the ,**0 eruption from south, taken on March ,,, ,**0. The
southeast side of the Ponmachineshiri crater is stained by the new ash fall.
 3 <{¨ J³KJ KJ´Lµ¶Mw®N· ,**0  -  ,, Photo 3. Mudﬂow descended on the northwestern slope of the Ponmachineshiri crater and stopped in the vicinity of theforest limit. The photo taken on March ,,, ,**0.
 +* {|}~¸ ª«¹KJ<º ,**0  -  ,, Photo +*. The aerial view of New fumaroles and mudﬂow trail from northwest, taken on March ,,, ,**0.