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BULLETIN OF THE VOLCANOLOGICALSOCIETY OF JAPANVol. // Contents
No. +Articles
GPS Baseline Solutions with Tropospheric Correction by Using the JMA Numerical Weather
Model for Monitoring Volcanoes ῌῌAkimichi TAKAGI, Keiichi FUKUI and Yoshinori SHOJIῌ

+Trial to Make Up the Probability Map of the Volcanic Ash Fall Deposit, Derived from thePublished Ash Fall Data, in JapanῌῌῌῌῌῌShigeru SUTO, Takayuki INOMATA, Hisashi SASAKI and Sakae MUKOYAMAῌ+-Re-activation Process of Showa Volcanic Vent at Sakura jima Volcano in ,**2 : Evidence FromVolcanic Ash ῌῌῌῌῌῌῌῌῌῌῌIsoji MIYAGI, Jun’ichi ITOH, Hiroshi SHINOHARA andKagoshima Observatory, Japan Meteorological Agencyῌ

,+Atmospheric Correction in EDM by Using the JMA Numerical Weather Model : Application toMeasurement at Asamayama VolcanoῌῌῌῌῌῌῌῌῌAkimichi TAKAGI, Keiichi FUKUI, Toshiki SHIMBORI and Sei IIJIMAῌ .+Products of the August ,,, ,**2 eruption of Shinmoedake Volcano, Kirishima Volcanic Group, JapanῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌNobuo GESHI, Shinji TAKARADA, Masaaki TSUTSUI,Takehiko MORI and Tetsuo KOBAYASHIῌ

/-Volcanic Activity in Japan, during November῍December, ,**3 ῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌ0/Miscellaneous News ῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌ01

NewsNo. ,Articles
Three-dimensional P-Wave Velocity Structure and the Explosion Field at the Shallow Part ofSuwanosejima Volcano ῌῌῌῌῌHiroshi YAKIWARA, Masato IGUCHI, Takeshi TAMEGURI,
Tomoki TSUTSUI, Jun OIKAWA, Takahiro OHKURA and Hiroki MIYAMACHIῌ 1/Eruption Age and Sequence of Ogurayama Lava Dome at Towada Volcano, Northeast Japan ArcῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌTakashi KUDOῌ 23
Development of Mobile Sensor for Volcanic Observation “HOMURA”
ῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌKatsuya KANEKO, Ko-ichi ITO and Yu-ichi ANBEῌ +*3Letter
MTSAT Observation of the Eruption Cloud Occurred at the February ,, ,**3 Eruption of Mt.
Asama, Central Japan ῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌTakayuki KANEKO, Hiroyuki DEN, Kenji TAKASAKI, Atsushi YASUDA,Fukashi MAENO, Etsuro KOYAMA and Setsuya NAKADAῌ ++3

v
News
Volcanic Activity in Japan, during January῍February, ,*+* ῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌ +,3Miscellaneous News ῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌ +-,Appendix : ῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌiNo. -Article
Development of an Unmanned Observation Aerial Vehicle (UAV) as a Tool for Volcano SurveyῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌKazuto SAIKI and Takeshi OHBAῌ +-1
LetterCourse and Ejecta of the Eruption of Asama Volcano on , February ,**3ῌῌῌῌῌῌῌῌῌFukashi MAENO, Yuki SUZUKI, Setsuya NAKADA, Etsuro KOYAMA,
Takayuki KANEKO, Toshitsugu FUJII, Jun’ichi MIYAMURA,
Shin’ya ONIZAWA and Masashi NAGAIῌ +.1
Scientiﬁc Communication
Thermal Measurement and Monitoring on Volcanoes ῌῌῌῌῌῌῌῌῌῌῌAkihiko TERADAῌ +//Book Review
Book Review : Earthquake and Volcano Deformation. by Paul SEGALL ῌῌῌῌYo FUKUSHIMAῌ +0/
Proceedings of the Society ῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌ +01
NewsVolcanic Activity in Japan, during March῍April, ,*+* ῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌ +20
Miscellaneous News ῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌ +22
Information on ,*+* Fall Annual Meeting

No. .

Letters
Extensional Strains around Mt. Fuji and Hakone Volcano and Low-Frequency EarthquakesῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌMasatake HARADA, Kohji HOSONO, Akio KOBAYASHI,
Yohei YUKUTAKE and Akio YOSHIDAῌ +3Laser-fusion .*Ar/ -3Ar Dating on Sanidine Phenocrysts from Toga Pumice, Toga Volcano, Oga
Peninsula, Northeast Japan ῌῌῌῌῌῌKozo UTO, Kazuhiko KANO and Osamu ISHIZUKAῌ ,*+News
Volcanic Activity in Japan, during May῍June, ,*+* ῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌ ,*1Miscellaneous News ῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌ ,*2vi

No. /Letters+.

C ages for the Kitanoyama and Itonashi cores in Izu-Oshima volcano, JapanῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌTakahiro YAMAMOTO and Yoshihisa KAWANABEῌ ,+/Eruption Age of Komezuka at Aso Volcano, Japan ῌῌῌῌῌῌῌῌῌῌῌYasuo MIYABUCHIῌ ,+3
Scientiﬁc Communication
Report on the conference celebrating for ,/*th anniversary of Volcán Jorullo’s birth in Michoacán,México ῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌToshiaki HASENAKA and Izumi YOKOYAMAῌ ,,1News
Volcanic Activity in Japan, during July῏August, ,*+* ῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌ ,-Miscellaneous News ῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌ ,-/No. 0Article
Conduit Magma Process of Miyakejima Volcano Inferred from Basaltic Juvenile Materials in theProducts of the Small Ash Eruptions during the Continuous DegassingῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌNobuo GESHI and Hiroshi SHINOHARAῌ ,.+Scientiﬁc Communications
Groundwater Flow beneath Volcanoes Inferred from Electric Self-Potential and MagnetotelluricsῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌKoki AIZAWAῌ ,/+Report of Cities on Volcanoes 0 Conference in Tenerife, Canary Islands, Spain
ῌῌῌῌTakeshi MATSUSHIMA, Takao OHMINATO, Tomofumi KOZONO, Yujiro SUZUKI,Ryunosuke KAZAHAYA, Daisuke MIURA, Shinji TAKARADA,Hideyuki ITOH, Takeshi SAITO and Takayuki KANEKOῌ ,0+Titles of Papers Presented at the Meeting of the Society,*+* Spring Meetingῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌ ,1-,*+* Fall Meeting ῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌ ,11Proceedings of the Society ῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌ ,2.
News
Volcanic Activity in Japan, during September῏October, ,*+* ῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌ ,3.
Miscellaneous News ῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌ ,30
Appendix
Promotion videodisc ῍Sakurajima volcano῎ ῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌ -*,Appendix ; Vol. // (No. +ῌNo. 0) ContentsῌAuthor Index ῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌῌi