Three-dimensional p-velocity structure of the summit caldera of Newberry Volcano, Oregon
A three-dimensional high-resolution seismic study of the summit caldera of Newberry Volcano, Oregon, was conducted by the US Geological Survey using an adaptation of the method applied by Mercessian et al. (1984). Preliminary interpretation of the traveltime residuals reveals a ring of high P-velocity material coinciding with the inner ring fault system of the caldera in the upper 2 km. A zone of lower P velocities extends deeper than 2 km in the center of the caldera. 9 refs., 5 figs.
- Research Organization:
- Geological Survey, Menlo Park, CA (USA)
- DOE Contract Number:
- AI01-79RA50294
- OSTI ID:
- 6314574
- Report Number(s):
- DOE/RA/50294-T4; ON: DE86005740
- Resource Relation:
- Other Information: Paper copy only, copy does not permit microfiche production
- Country of Publication:
- United States
- Language:
- English
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