International Federation of Digital Seismograph Networks

XJ (1997-1997): The Sierran Paradox Experiment

Are you the operator of this network? Update this information.

FDSN Network Information

FDSN code XJ (1997-1997) Operated by IRIS/PASSCAL
Network name The Sierran Paradox Experiment (SPE) Deployment region
Start date May 1, 1997 End date Oct. 31, 1997
Short description

P and S and anisotropy tomography of the upper mantle under the southern Sierra Nevada using teleseismic arrivals; goal is to discriminate between likely upper mantle lithologies.

Further information in publication(s)

Boyd, O. S., Jones, C. H., & Sheehan, A. F. (2004). Foundering lithosphere imaged beneath the Southern Sierra Nevada, California, USA. Science, 305(5684), 660–662.

Citation Information

Digital Object Identifier (DOI)
Craig Jones, Bob Phinney (1997): The Sierran Paradox Experiment. International Federation of Digital Seismograph Networks. Other/Seismic Network. 10.7914/SN/XJ_1997

Data Access

Data Availability

The irisws-fedcatalog web service provides data discovery and access across multiple data centers.
Full fedcatalog information for this network

Data available from IRISDMC (IRIS Data Management Center) using FDSN Web Services. See for more information including data access tools.

Stations in this Network