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Detection of creep along the Philippine Fault: First results of geodetic measurements on Leyte Island, central Philippine
Author(s) -
Duquesnoy Th.,
Barrier E.,
Kasser M.,
Aurelio M.,
Gaulon R.,
Pugbayan R. S.,
Rangin C.
Publication year - 1994
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/94gl00640
Subject(s) - geodetic datum , geology , trilateration , geodesy , seismology , fault (geology) , global positioning system , azimuth , kinematics , creep , fault trace , slip (aerodynamics) , tectonics , displacement (psychology) , geography , cartography , geometry , materials science , composite material , psychology , telecommunications , physics , mathematics , classical mechanics , triangulation , computer science , psychotherapist , thermodynamics
Geodetic trilateration/GPS measurements were acquired from experiments conducted in 1991 and 1993 in the central part of the Philippine Fault on Leyte island. Displacement vectors deduced from two least squares adjustments indicate a mean slip rate of 26±10 mm/yr at an azimuth of about N130°E. These values are consistent with the tectonic and kinematic data. Our results indicate that the displacements are: (1) almost parallel to the Philippine Fault, and (2) related to creep along the fault, because no moderate seismic events occurred between the two observation epochs.