Passive image interferometry and seasonal variations of seismic velocities at Merapi Volcano, Indonesia Export

@article{sens-schoenfelder_wegler:2006, abstract = {We propose passive image interferometry as a technique for seismology that allows to continuously monitor small temporal changes of seismic velocities in the subsurface. The technique is independent of sources in the classical sense and requires just one or two permanent seismic stations. We retrieve the Green's functions that we use for interferometry from ambient seismic noise. Applying passive image interferometry to data from Merapi volcano we show that velocity variations can be measured with an accuracy of 0.1\% with a temporal resolution of a single day. At Mt. Merapi the velocity variations show a strong seasonal influence and we present a depth dependent hydrological model that describes our observations solely based on precipitation.}, author = {Sens-Sch\"{o}nfelder, C. and Wegler, U.}, citeulike-article-id = {6053575}, citeulike-linkout-0 = {http://dx.doi.org/10.1029/2006GL027797}, citeulike-linkout-1 = {http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=2006GeoRL..3321302S}, day = {01}, doi = {10.1029/2006GL027797}, issn = {0094-8276}, journal = {Geophysical Research Letters}, keywords = {merapi, seismology, velocity, volcanoes}, month = {November}, number = {21}, pages = {L21302+}, posted-at = {2009-11-01 14:48:29}, priority = {2}, title = {Passive image interferometry and seasonal variations of seismic velocities at {Merapi Volcano}, {Indonesia}}, url = {http://dx.doi.org/10.1029/2006GL027797}, volume = {33}, year = {2006} }

TY - JOUR ID - sens-schoenfelder_wegler:2006 L3 - citeulike-article-id:6053575 N2 - We propose passive image interferometry as a technique for seismology that allows to continuously monitor small temporal changes of seismic velocities in the subsurface. The technique is independent of sources in the classical sense and requires just one or two permanent seismic stations. We retrieve the Green's functions that we use for interferometry from ambient seismic noise. Applying passive image interferometry to data from Merapi volcano we show that velocity variations can be measured with an accuracy of 0.1% with a temporal resolution of a single day. At Mt. Merapi the velocity variations show a strong seasonal influence and we present a depth dependent hydrological model that describes our observations solely based on precipitation. IS - 21 JF - Geophysical Research Letters SN - 0094-8276 TI - Passive image interferometry and seasonal variations of seismic velocities at {Merapi Volcano}, {Indonesia} VL - 33 SP - L21302 KW - merapi KW - seismology KW - velocity KW - volcanoes AU - Sens-Schönfelder, C AU - Wegler, U PY - 2006/11/01/ UR - http://dx.doi.org/10.1029/2006GL027797 ER -