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dc.contributor.author | NISHIGAMI, Kin'ya | en |
dc.contributor.author | SHIBUTANI, Takuo | en |
dc.contributor.author | OHKURA, Takahiro | en |
dc.contributor.author | HIRATA, Masaya | en |
dc.contributor.author | HORIKAWA, Haruo | en |
dc.contributor.author | SHIMIZU, Kouichi | en |
dc.contributor.author | MATSUO, Shigemitsu | en |
dc.contributor.author | NAKAO, Setsuro | en |
dc.contributor.author | ANDO, Masataka | en |
dc.contributor.author | BAUTISTA, Bartolome C. | en |
dc.contributor.author | BAUTISTA, Ma. Leonila P. | en |
dc.contributor.author | BARCELONA, Edito S. | en |
dc.contributor.author | VALERIO, Ramses | en |
dc.contributor.author | LANUZA, Angelito G. | en |
dc.contributor.author | CHU, Arnold V. | en |
dc.contributor.author | VILLEGAS, Jason Jude | en |
dc.contributor.author | RASDAS, Ariel R. | en |
dc.contributor.author | MANGAO, Enrico A. | en |
dc.contributor.author | GABINETE, Elmer | en |
dc.contributor.author | PUNONGBAYAN, Baby JaneT. | en |
dc.contributor.author | NARAG, Ishmael C. | en |
dc.contributor.author | MARTE, Felix | en |
dc.contributor.author | PUNONGBAYAN, Raymundo S. | en |
dc.date.accessioned | 2010-09-08T08:28:22Z | - |
dc.date.available | 2010-09-08T08:28:22Z | - |
dc.date.issued | 1994-10 | - |
dc.identifier.issn | 0454-7675 | - |
dc.identifier.uri | http://hdl.handle.net/2433/125003 | - |
dc.description.abstract | We carried out an seismic explosion survey at Taal volcano in March, 1993. The explosions were done at the west of the volcanic island and digital event recorders were deployed along a fan-shooting survey line at the east of the volcanic island and also along a short straight survey line across the island. Small-aperture arrays were also operated at two sites west of the volcanic island. We found that P waves that traveled just beneath the main crater strongly attenuated and showed later arrivals. This result suggests the existence of a low-velocity and low-Q region around the main crater at a depth of about 1.5km, although the location and extent cannot be determined exactly. P wave velocity of this abnormal region may be eatimated to be lower than that of the surroundings by much greater than about 25%, if we assume the region is restricted just beneath the main crater. We applied the NMO correction to the later part of seismograms and found a reflector around the east of the main crater at a depth of about 6km, which may suggest the top surface of the magma reservoir. | en |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | - |
dc.publisher | Disaster Prevention Research Institute, Kyoto University | en |
dc.title | Shallow Crustal Structure Beneath Taal Volcano, Philippines, Revealed by the 1993 Seismic Explosion Survey | en |
dc.type | departmental bulletin paper | - |
dc.type.niitype | Departmental Bulletin Paper | - |
dc.identifier.ncid | AA00581033 | - |
dc.identifier.jtitle | Bulletin of the Disaster Prevention Research Institute | en |
dc.identifier.volume | 44 | - |
dc.identifier.issue | 3 | - |
dc.identifier.spage | 123 | - |
dc.identifier.epage | 138 | - |
dc.textversion | publisher | - |
dc.sortkey | 02 | - |
dcterms.accessRights | open access | - |
出現コレクション: | Vol.44 Pt.3 |
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