Published January 4, 2021
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Moment tensors for ring-faulting at active volcanoes: Insights into vertical-CLVD earthquakes at the Sierra Negra caldera, Galápagos Islands
Authors/Creators
- 1. Earthquake Research Institute, the University of Tokyo, Tokyo, Japan; Now at National Research Institute for Earth Science and Disaster Prevention, Ibaraki, Japan
- 2. Seismological Laboratory, California Institute of Technology, Pasadena, CA, USA
- 3. Université de Strasbourg, CNRS, IPGS UMR 7516, F-67000 Strasbourg, France
- 4. Earthquake Research Institute, the University of Tokyo, Tokyo, Japan
- 5. Earthquake Research Institute, the University of Tokyo, Tokyo, Japan;
Description
We conduct moment tensor (MT) inversion for the 2005 earthquake at the Sierra Negra caldera, the Galapagos Islands. For the inversion, we assumed different centroid locations in 3D space, i.e., on the x–y (longitude-latitude) plane at a depth of 2.5 km below the solid surface, and the x–z (longitude–depth) plane along a latitude of 0.83°S across the Sierra Negra caldera. The data is used for Figure 7 in our manuscript. For the detailed methodology and data, see the main text of our manuscript.
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