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11. Tectonic summaries of magnitude 7 and greater earthquakes from 2000 to 2015

Author

Hayes, Gavin P., primary, Meyers, Emma K., additional, Dewey, James W., additional, Briggs, Richard W., additional, Earle, Paul S., additional, Benz, Harley M., additional, Smoczyk, Gregory M., additional, Flamme, Hanna E., additional, Barnhart, William D., additional, Gold, Ryan D., additional, and Furlong, Kevin P., additional

Published
2017
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15. Monitoring Routine Mine Seismicity in the Conterminous United States

Author

GEOLOGICAL SURVEY DENVER CO, Dewey, James W., Leeds, Alena L., GEOLOGICAL SURVEY DENVER CO, Dewey, James W., and Leeds, Alena L.

Abstract

We are applying standard U.S. Geological Survey/National Earthquake Information Center (USGS/NEIC) earthquake detection and location methodologies to monitor routine mine seismicity in the conterminous U.S. Our principal goal is to develop knowledge of mining seismicity in districts from which teleseismically recorded mining associated seismic events might occur. This knowledge would provide a basis for understanding future seismic events from these mining districts that might be located by the International Data Center(IDC) after entry-into-force of the Comprehensive Nuclear-Test-Ban Treaty (CTBT). Epicenters are calculated from the arrival-times of seismic phases, and their accuracies vary according to the distribution of seismographic stations in the regions in which the mines are located. 90% confidence ellipses on epicentral coordinates are given. Although the USGS/NEIC does not obtain "ground truth" information from mining companies about most individual mining events, knowledge of mine locations and mining practices enables us to evaluate the reliabilities of the epicenters and confidence ellipses for many regions. The confidence ellipses represent location accuracies quite well for most of the mining districts. Plotting only events with small confidence ellipses dramatically reduces the scatter of epicenters. Problems with the mining-event confidence ellipses are typical of problems associated with confidence ellipses in general: the level of confidence associated with the ellipses must be viewed as being somewhat lower than the nominal 90%; there is evidence of substantial (up to 20 km) location bias for events in a few of the districts; ellipses associated with poorly recorded events are particularly prone to misrepresentation of location accuracy., Published in Proceedings of the Annual DoD/DOE Seismic Research Symposium: Planning for Verification of and Compliance with the Comprehensive Nuclear-Test-Ban Treaty (CTBT) (22nd), held in New Orleans, LA on 13-15 Sep 2000. U.S. Government or Federal Rights. The original document contains color images.

Published
2000

27. Intensities and isoseismals.

Author

Dewey, James W.

Subjects
*EARTHQUAKE intensity, *EARTHQUAKES
Abstract

Presents isoseismal maps delineating the relative intensity or severity of shaking within the area affected by the earthquake that hit Los Angeles, California on January 17, 1995.

Published
1994

28. Damages from the 20 September Earthquakes Near Klamath Falls, Oregon.

Author

Dewey, James W.

Subjects
*EARTHQUAKES, *PROPERTY damage, *PALEOSEISMOLOGY
Abstract

Focuses on damages caused due to earthquakes that occurred near Klamath Falls in Oregon on September 20, 1993. Property damage due to earthquakes; Damage caused to the buildings in the area; Intensity values of earthquakes represented by isoseismal map.

Published
1993

31. Studies related to the Charleston, South Carolina, earthquake of 1886 — Tectonics and seismicity

Author

Gottfried, David, primary, Annell, C. S., additional, Byerly, G. R., additional, Lanphere, Marvin A., additional, Phillips, Jeffrey D., additional, Gohn, Gregory S., additional, Houser, Brenda B., additional, Schneider, Ray R., additional, Ackermann, Hans D., additional, Yantis, B. R., additional, Costain, John K., additional, Schilt, F. Steve, additional, Brown, Larry, additional, Oliver, Jack E., additional, Kaufman, Sidney, additional, Hamilton, Robert Morrison, additional, Behrendt, John C., additional, Henry, V. James, additional, Bayer, Kenneth C., additional, Daniels, David L., additional, Zietz, Isidore, additional, Popenoe, Peter, additional, Chowns, T. M., additional, Williams, C. T., additional, Dooley, Robert E., additional, Wampler, J., additional, Dillon, William P., additional, Klitgord, Kim D., additional, Paull, Charles K., additional, McGinnis, Lyle D., additional, Dewey, James W., additional, Tarr, Arthur C., additional, Rhea, Susan, additional, Wentworth, Carl M., additional, Mergner-Keefer, Marcia, additional, and Bollinger, G. A., additional

Published
1983
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34. Errata

Author

Dewey, James W., primary, Grantz, Arthur, additional, Bollinger, G. A., additional, Merz, H. A., additional, and Cornell, C. A., additional

Published
1974
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39. Errata

Author

Dewey, James W., primary, Masse, Robert P., additional, Lambert, D. G., additional, and Harkrider, David G., additional

Published
1973
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