Publications
Project Acronym: USDP | State: Completed | Expedition ID: 5010
2021
Yilmaz T
,
Wadsworth F
,
Gilg H
,
Hess K
,
Kendrick J
,
Wallace P
,
Lavallée Y
,
Utley J
,
Vasseur J
,
Nakada S
,
Dingwell D
.
Rapid alteration of fractured volcanic conduits beneath Mt Unzen.
Bulletin of Volcanology. 2021 ; 83 (5): [doi][doi]
Rapid alteration of fractured volcanic conduits beneath Mt Unzen.
Bulletin of Volcanology. 2021 ; 83 (5): [doi][doi]
2011
Cichy S
,
Botcharnikov R
,
Holtz F
,
Behrens H
.
Vesiculation and microlite crystallization induced by decompression: A case study of the 1991-1995 Mt Unzen eruption (Japan).
Journal of Petrology. 2011 ; 52 (7-8): 1469-1492. [doi][doi]
Vesiculation and microlite crystallization induced by decompression: A case study of the 1991-1995 Mt Unzen eruption (Japan).
Journal of Petrology. 2011 ; 52 (7-8): 1469-1492. [doi][doi]
2010
Su D
,
Yang J
.
Advances of international continental scientific drilling program.
Acta Geologica Sinica (English Edition). 2010 ; 84 (6): 873-886.
Advances of international continental scientific drilling program.
Acta Geologica Sinica (English Edition). 2010 ; 84 (6): 873-886.
2009
Cordonnier B
,
Hess K
,
Lavallée Y
,
Dingwell D
.
Rheological properties of dome lavas: Case study of Unzen volcano.
Earth and Planetary Science Letters. 2009 ; 279 (3-4): 263-272. [doi][doi]
Rheological properties of dome lavas: Case study of Unzen volcano.
Earth and Planetary Science Letters. 2009 ; 279 (3-4): 263-272. [doi][doi]
2008
Watanabe T
,
Shimizu Y
,
Noguchi S
,
Nakada S
.
Permeability measurements on rock samples from Unzen Scientific Drilling Project Drill Hole 4 (USDP-4).
Journal of Volcanology and Geothermal Research. 2008 ; 175 (1-2): 82-90. [doi][doi]
Permeability measurements on rock samples from Unzen Scientific Drilling Project Drill Hole 4 (USDP-4).
Journal of Volcanology and Geothermal Research. 2008 ; 175 (1-2): 82-90. [doi][doi]
Vetere F
,
Behrens H
,
Schuessler J
,
Holtz F
,
Misiti V
,
Borchers L
.
Viscosity of andesite melts and its implication for magma mixing prior to Unzen 1991-1995 eruption.
Journal of Volcanology and Geothermal Research. 2008 ; 175 (1-2): 208-217. [doi][doi]
Viscosity of andesite melts and its implication for magma mixing prior to Unzen 1991-1995 eruption.
Journal of Volcanology and Geothermal Research. 2008 ; 175 (1-2): 208-217. [doi][doi]
Suto Y
,
Sakuma S
,
Takahashi H
,
Hatakeyama N
,
Henfling J
.
Temperature memory gauge survey and estimation of formation temperature of the USDP-4 conduit hole at Unzen Volcano, Japan.
Journal of Volcanology and Geothermal Research. 2008 ; 175 (1-2): 20-27. [doi][doi]
Temperature memory gauge survey and estimation of formation temperature of the USDP-4 conduit hole at Unzen Volcano, Japan.
Journal of Volcanology and Geothermal Research. 2008 ; 175 (1-2): 20-27. [doi][doi]
Ikeda R
,
Kajiwara T
,
Omura K
,
Hickman S
.
Physical rock properties in and around a conduit zone by well-logging in the Unzen Scientific Drilling Project, Japan.
Journal of Volcanology and Geothermal Research. 2008 ; 175 (1-2): 13-19. [doi][doi]
Physical rock properties in and around a conduit zone by well-logging in the Unzen Scientific Drilling Project, Japan.
Journal of Volcanology and Geothermal Research. 2008 ; 175 (1-2): 13-19. [doi][doi]
Botcharnikov R
,
Holtz F
,
Almeev R
,
Sato H
,
Behrens H
.
Storage conditions and evolution of andesitic magma prior to the 1991-95 eruption of Unzen volcano: Constraints from natural samples and phase equilibria experiments.
Journal of Volcanology and Geothermal Research. 2008 ; 175 (1-2): 168-180. [doi][doi]
Storage conditions and evolution of andesitic magma prior to the 1991-95 eruption of Unzen volcano: Constraints from natural samples and phase equilibria experiments.
Journal of Volcanology and Geothermal Research. 2008 ; 175 (1-2): 168-180. [doi][doi]
Fujimitsu Y
,
Ehara S
,
Oki R
,
Kanou R
.
Numerical model of the hydrothermal system beneath Unzen Volcano, Japan.
Journal of Volcanology and Geothermal Research. 2008 ; 175 (1-2): 35-44. [doi][doi]
Numerical model of the hydrothermal system beneath Unzen Volcano, Japan.
Journal of Volcanology and Geothermal Research. 2008 ; 175 (1-2): 35-44. [doi][doi]
Noguchi S
,
Toramaru A
,
Nakada S
.
Groundmass crystallization in dacite dykes taken in Unzen Scientific Drilling Project (USDP-4).
Journal of Volcanology and Geothermal Research. 2008 ; 175 (1-2): 71-81. [doi][doi]
Groundmass crystallization in dacite dykes taken in Unzen Scientific Drilling Project (USDP-4).
Journal of Volcanology and Geothermal Research. 2008 ; 175 (1-2): 71-81. [doi][doi]
Scheu B
,
Kueppers U
,
Mueller S
,
Spieler O
,
Dingwell D
.
Experimental volcanology on eruptive products of Unzen volcano.
Journal of Volcanology and Geothermal Research. 2008 ; 175 (1-2): 110-119. [doi][doi]
Experimental volcanology on eruptive products of Unzen volcano.
Journal of Volcanology and Geothermal Research. 2008 ; 175 (1-2): 110-119. [doi][doi]
Sakuma S
,
Kajiwara T
,
Nakada S
,
Uto K
,
Shimizu H
.
Drilling and logging results of USDP-4 - Penetration into the volcanic conduit of Unzen Volcano, Japan.
Journal of Volcanology and Geothermal Research. 2008 ; 175 (1-2): 1-12. [doi][doi]
Drilling and logging results of USDP-4 - Penetration into the volcanic conduit of Unzen Volcano, Japan.
Journal of Volcanology and Geothermal Research. 2008 ; 175 (1-2): 1-12. [doi][doi]
Almberg L
,
Larsen J
,
Eichelberger J
,
Vogel T
,
Patino L
.
Comparison of eruptive and intrusive samples from Unzen Volcano, Japan: Effects of contrasting pressure-temperature-time paths.
Journal of Volcanology and Geothermal Research. 2008 ; 175 (1-2): 60-70. [doi][doi]
Comparison of eruptive and intrusive samples from Unzen Volcano, Japan: Effects of contrasting pressure-temperature-time paths.
Journal of Volcanology and Geothermal Research. 2008 ; 175 (1-2): 60-70. [doi][doi]
Tretner A
,
Zimmer M
,
Erzinger J
,
Nakada S
,
Saito M
.
Real-time drill mud gas logging at the USDP-4 drilling, Unzen volcano, Japan.
Journal of Volcanology and Geothermal Research. 2008 ; 175 (1-2): 28-34. [doi][doi]
Real-time drill mud gas logging at the USDP-4 drilling, Unzen volcano, Japan.
Journal of Volcanology and Geothermal Research. 2008 ; 175 (1-2): 28-34. [doi][doi]
2006
Nakada S
,
Uto K
,
Sakuma S
,
Eichelberger J
,
Shimizu H
.
Drilling to the core of Japan's Unzen Volcano.
Geodrilling International. 2006 ; (120): 37-39.
Drilling to the core of Japan's Unzen Volcano.
Geodrilling International. 2006 ; (120): 37-39.
Scheu B
,
Spieler O
,
Dingwell D
.
Dynamics of explosive volcanism at Unzen volcano: An experimental contribution.
Bulletin of Volcanology. 2006 ; 69 (2): 175-187. [doi][doi]
Dynamics of explosive volcanism at Unzen volcano: An experimental contribution.
Bulletin of Volcanology. 2006 ; 69 (2): 175-187. [doi][doi]
Browne B
,
Eichelberger J
,
Patino L
,
Vogel T
,
Dehn J
,
Uto K
,
Hoshizumi H
.
Generation of Porphyritic and Equigranular mafic enclaves during magma recharge events at Unzen volcano, Japan.
Journal of Petrology. 2006 ; 47 (2): 301-328. [doi][doi]
Generation of Porphyritic and Equigranular mafic enclaves during magma recharge events at Unzen volcano, Japan.
Journal of Petrology. 2006 ; 47 (2): 301-328. [doi][doi]
Fujimitsu Y
,
Ehara S
,
Oki R
.
Geothermal Fluid Flow Model in Shimabara Peninsula.
Journal of the Geothermal Research Society of Japan. 2006 ; 28 (4): 373-382. [doi][doi]
Geothermal Fluid Flow Model in Shimabara Peninsula.
Journal of the Geothermal Research Society of Japan. 2006 ; 28 (4): 373-382. [doi][doi]
Browne B
,
Eichelberger J
,
Patino L
,
Vogel T
,
Uto K
,
Hoshizumi H
.
Magma mingling as indicated by texture and Sr / Ba ratios of plagioclase phenocrysts from Unzen volcano, SW Japan.
Journal of Volcanology and Geothermal Research. 2006 ; 154 (1-2): 103-116. [doi][doi]
Magma mingling as indicated by texture and Sr / Ba ratios of plagioclase phenocrysts from Unzen volcano, SW Japan.
Journal of Volcanology and Geothermal Research. 2006 ; 154 (1-2): 103-116. [doi][doi]
Scheu B
,
Kern H
,
Spieler O
,
Dingwell D
.
Temperature dependence of elastic P- and S-wave velocities in porous Mt. Unzen dacite.
Journal of Volcanology and Geothermal Research. 2006 ; 153 (1-2 SPEC. ISS.): 136-147. [doi][doi]
Temperature dependence of elastic P- and S-wave velocities in porous Mt. Unzen dacite.
Journal of Volcanology and Geothermal Research. 2006 ; 153 (1-2 SPEC. ISS.): 136-147. [doi][doi]
2005
Uto K
.
Scientific drilling reached the magma path of 1990-95 eruption of Unzen Volcano.
AIST Today (International Edition). 2005 ; (16): 13.
Scientific drilling reached the magma path of 1990-95 eruption of Unzen Volcano.
AIST Today (International Edition). 2005 ; (16): 13.
Nakada S
,
Uto K
,
Sakuma S
,
Eichelberger JC
,
Shimizu H
.
Scientific results of conduit drilling in the Unzen Scientific Drilling Project (USDP).
Scientific drilling. 2005 ; 1 18--22.
Scientific results of conduit drilling in the Unzen Scientific Drilling Project (USDP).
Scientific drilling. 2005 ; 1 18--22.
Okubo A
,
Tanaka Y
,
Utsugi M
,
Kitada N
,
Shimizu H
,
Matsushima T
.
Magnetization intensity mapping on Unzen Volcano, Japan, determined from high-resolution, low-altitude helicopter-borne aeromagnetic survey.
Earth, Planets and Space. 2005 ; 57 (8): 743-753. [doi][doi]
Magnetization intensity mapping on Unzen Volcano, Japan, determined from high-resolution, low-altitude helicopter-borne aeromagnetic survey.
Earth, Planets and Space. 2005 ; 57 (8): 743-753. [doi][doi]
Holtz F
,
Sato H
,
Lewis J
,
Behrens H
,
Nakada S
.
Experimental petrology of the 1991-1995 Unzen dacite, Japan. Part I: Phase relations, phase composition and pre-eruptive conditions.
Journal of Petrology. 2005 ; 46 (2): 319 – 337. [doi][doi]
Experimental petrology of the 1991-1995 Unzen dacite, Japan. Part I: Phase relations, phase composition and pre-eruptive conditions.
Journal of Petrology. 2005 ; 46 (2): 319 – 337. [doi][doi]
Sato H
,
Holtz F
,
Behrens H
,
Botcharnikov R
,
Nakada S
.
Experimental petrology of the 1991-1995 Unzen dacite, Japan. Part II: Cl/OH partitioning between hornblende and melt and its implications for the origin of oscillatory zoning of hornblende phenocrysts.
Journal of Petrology. 2005 ; 46 (2): 339 – 354. [doi][doi]
Experimental petrology of the 1991-1995 Unzen dacite, Japan. Part II: Cl/OH partitioning between hornblende and melt and its implications for the origin of oscillatory zoning of hornblende phenocrysts.
Journal of Petrology. 2005 ; 46 (2): 339 – 354. [doi][doi]
2004
Xu S
,
Hoshizumi H
,
Ochiai Y
,
Aoki H
,
Uto K
.
14C dating of soil samples from the Unzen volcano scientific drilling boreholes.
Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms. 2004 ; 223-224 (SPEC. ISS.): 560-567. [doi][doi]
14C dating of soil samples from the Unzen volcano scientific drilling boreholes.
Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms. 2004 ; 223-224 (SPEC. ISS.): 560-567. [doi][doi]
Nakada S
,
Eichelberger J
.
Looking into a volcano: Drilling unzen.
Geotimes. 2004 ; 49 (3): 14 – 15.
Looking into a volcano: Drilling unzen.
Geotimes. 2004 ; 49 (3): 14 – 15.
2002
Saito S
,
Henfling J
.
Temperature Memory Survey Results and Future Plan for the Recently Erupted Unzen Volcano.
In: Saito S , Henfling J . Temperature Memory Survey Results and Future Plan for the Recently Erupted Unzen Volcano. 2002 . p. 633-637.
Temperature Memory Survey Results and Future Plan for the Recently Erupted Unzen Volcano.
In: Saito S , Henfling J . Temperature Memory Survey Results and Future Plan for the Recently Erupted Unzen Volcano. 2002 . p. 633-637.
2000
Nakamura M
,
Hayashida T
,
Takenaka H
,
Shimizu H
,
Suzuki S
.
Numerical experiments for seismic tomography using the Singular Value Decomposition (SVD) technique.
Science Reports of the Kyushu University, Department of Earth and Planetary Sciences. 2000 ; 21 (1): 9-18.
Numerical experiments for seismic tomography using the Singular Value Decomposition (SVD) technique.
Science Reports of the Kyushu University, Department of Earth and Planetary Sciences. 2000 ; 21 (1): 9-18.
1999
Kagiyama T
,
Utada H
,
Yamamoto T
.
Magma ascent beneath Unzen Volcano, SW Japan, deduced from the electrical resistivity structure.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 35 – 42. [doi][doi]
Magma ascent beneath Unzen Volcano, SW Japan, deduced from the electrical resistivity structure.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 35 – 42. [doi][doi]
Yamashina K
,
Matsushima T
,
Ohmi S
.
Volcanic deformation at Unzen, Japan, visualized by a time-differential stereoscopy.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 73 – 80. [doi][doi]
Volcanic deformation at Unzen, Japan, visualized by a time-differential stereoscopy.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 73 – 80. [doi][doi]
Chen C
,
Nakada S
,
Shieh Y
,
DePaolo DJ
.
The Sr, Nd and O isotopic studies of the 1991-1995 eruption at Unzen, Japan.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 243 – 253. [doi][doi]
The Sr, Nd and O isotopic studies of the 1991-1995 eruption at Unzen, Japan.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 243 – 253. [doi][doi]
Fujii T
,
Nakada S
.
The 15 September 1991 pyroclastic flows at Unzen Volcano (Japan): A flow model for associated ash-cloud surges.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 159 – 172. [doi][doi]
The 15 September 1991 pyroclastic flows at Unzen Volcano (Japan): A flow model for associated ash-cloud surges.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 159 – 172. [doi][doi]
Jousset P
,
Okada H
.
Post-eruptive volcanic dome evolution as revealed by deformation and microgravity observations at Usu volcano (Hokkaido, Japan).
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 255 – 273. [doi][doi]
Post-eruptive volcanic dome evolution as revealed by deformation and microgravity observations at Usu volcano (Hokkaido, Japan).
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 255 – 273. [doi][doi]
Nakada S
,
Motomura Y
.
Petrology of the 1991-1995 eruption at Unzen: Effusion pulsation and groundmass crystallization.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 173 – 196. [doi][doi]
Petrology of the 1991-1995 eruption at Unzen: Effusion pulsation and groundmass crystallization.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 173 – 196. [doi][doi]
Venezky DY
,
Rutherford MJ
.
Petrology and Fe-Ti oxide reequilibration of the 1991 Mount Unzen mixed magma.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 213 – 230. [doi][doi]
Petrology and Fe-Ti oxide reequilibration of the 1991 Mount Unzen mixed magma.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 213 – 230. [doi][doi]
Nakada S
,
Shimizu H
,
Ohta K
.
Overview of the 1990-1995 eruption at Unzen Volcano.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 1 – 22. [doi][doi]
Overview of the 1990-1995 eruption at Unzen Volcano.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 1 – 22. [doi][doi]
Miller T
,
Chertkoff D
,
Eichelberger J
,
Coombs M
.
Mount Dutton volcano, Alaska: Aleutian arc analog to Unzen volcano, Japan.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 275 – 301. [doi][doi]
Mount Dutton volcano, Alaska: Aleutian arc analog to Unzen volcano, Japan.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 275 – 301. [doi][doi]
Yamashina K
,
Matsushima T
.
Ground temperature change observed at Unzen Volcano associated with the 1990-1995 eruption.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 65 – 71. [doi][doi]
Ground temperature change observed at Unzen Volcano associated with the 1990-1995 eruption.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 65 – 71. [doi][doi]
Kaneko T
,
Wooster MJ
.
Landsat infrared analysis of fumarole activity at Unzen Volcano: Time-series comparison with gas and magma fluxes.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 57 – 64. [doi][doi]
Landsat infrared analysis of fumarole activity at Unzen Volcano: Time-series comparison with gas and magma fluxes.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 57 – 64. [doi][doi]
Watanabe K
,
Danhara T
,
Watanabe K
,
Terai K
,
Yamashita T
.
Juvenile volcanic glass erupted before the appearance of the 1991 lava dome, Unzen volcano, Kyushu, Japan.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 113 – 121. [doi][doi]
Juvenile volcanic glass erupted before the appearance of the 1991 lava dome, Unzen volcano, Kyushu, Japan.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 113 – 121. [doi][doi]
Sato H
,
Nakada S
,
Fujii T
,
Nakamura M
,
Suzuki-Kamata K
.
Groundmass pargasite in the 1991-1995 dacite of Unzen volcano: Phase stability experiments and volcanological implications.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 197 – 212. [doi][doi]
Groundmass pargasite in the 1991-1995 dacite of Unzen volcano: Phase stability experiments and volcanological implications.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 197 – 212. [doi][doi]
Nishi K
,
Ono H
,
Mori H
.
Global positioning system measurements of ground deformation caused by magma intrusion and lava discharge: The 1990-1995 eruption at Unzendake volcano, Kyushu, Japan.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 23 – 34. [doi][doi]
Global positioning system measurements of ground deformation caused by magma intrusion and lava discharge: The 1990-1995 eruption at Unzendake volcano, Kyushu, Japan.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 23 – 34. [doi][doi]
Hoshizumi H
,
Uto K
,
Watanabe K
.
Geology and eruptive history of Unzen volcano, Shimabara Peninsula, Kyushu, SW Japan.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 81 – 94. [doi][doi]
Geology and eruptive history of Unzen volcano, Shimabara Peninsula, Kyushu, SW Japan.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 81 – 94. [doi][doi]
Ui T
,
Matsuwo N
,
Sumita M
,
Fujinawa A
.
Generation of block and ash flows during the 1990-1995 eruption of Unzen Volcano, Japan.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 123 – 137. [doi][doi]
Generation of block and ash flows during the 1990-1995 eruption of Unzen Volcano, Japan.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 123 – 137. [doi][doi]
Yamashina K
,
Shimizu H
.
Crustal deformation in the mid-May 1991 crisis preceding the extrusion of a dacite lava dome at Unzen volcano, Japan.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 43 – 55. [doi][doi]
Crustal deformation in the mid-May 1991 crisis preceding the extrusion of a dacite lava dome at Unzen volcano, Japan.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 43 – 55. [doi][doi]
Watanabe K
,
Ono K
,
Sakaguchi K
,
Takada A
,
Hoshizumi H
.
Co-ignimbrite ash-fall deposits of the 1991 eruptions of Fugen-dake, Unzen Volcano, Japan.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 95 – 112. [doi][doi]
Co-ignimbrite ash-fall deposits of the 1991 eruptions of Fugen-dake, Unzen Volcano, Japan.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 95 – 112. [doi][doi]
Yoshida S
,
Koyaguchi T
.
A new regime of volcanic eruption due to the relative motion between liquid and gas.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 303 – 315. [doi][doi]
A new regime of volcanic eruption due to the relative motion between liquid and gas.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 303 – 315. [doi][doi]
Kusakabe M
,
Sato H
,
Nakada S
,
Kitamura T
.
Water contents and hydrogen isotopic ratios of rocks and minerals from the 1991 eruption of Unzen volcano, Japan.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 231 – 242. [doi][doi]
Water contents and hydrogen isotopic ratios of rocks and minerals from the 1991 eruption of Unzen volcano, Japan.
Journal of Volcanology and Geothermal Research. 1999 ; 89 (1-4): 231 – 242. [doi][doi]