Publications
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East Pacific rise at 21°N: the volcanic, tectonic, and hydrothermal processes of the central axis East Pacific rise at 21°N: the volcanic, tectonic, and hydrothermal processes of the central axis
Photographs obtained by the ANGUS survey system at 21°N reveal many similarities to the geological processes delineated at other spreading centers and in particular those observed in the Galapagos Rift at 86°W. The region of recent volcanism is restricted to a narrow zone (Zone 1) approximately 1 km wide. This suggests that the width of the magma chamber feeding these flows is also...
Authors
Richard D. Ballard, Jean Francheteau, Tierre Juteau, Claude Rangan, William Normark
Seismic refraction studies of the Imperial Valley region, California— Profile models, a traveltime contour map, and a gravity model Seismic refraction studies of the Imperial Valley region, California— Profile models, a traveltime contour map, and a gravity model
No abstract available.
Authors
Gary S. Fuis, W. D. Mooney, J. H. Healy, G. A. McMechan, W. J. Lutter
A model for creeping flow in landslides A model for creeping flow in landslides
No abstract available.
Authors
William Z. Savage, A.F. Chleborad
Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska: September 1981 Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska: September 1981
The preliminary geomagnetic data included here is made available to scientific personnel and organizations, as part of a cooperative effort and on a data exchange basis because of the early need by some users. To avoid delay, all of the data is copied from original forms processed at the observatory; therefore it should be regarded as preliminary.
Authors
J.B. Townshend, J.E. Papp, E.A. Sauter
Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska: December 1981 Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska: December 1981
The preliminary geomagnetic data included here is made available to scientific personnel and organizations, as part of a cooperative effort and on a data exchange basis because of the early need by some users. To avoid delay, all of the data is copied from original forms processed at the observatory; therefore it should be regarded as preliminary.
Authors
J.B. Townshend, J.E. Papp, E.A. Sauter
Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska: June 1981 Preliminary geomagnetic data, College Observatory, Fairbanks, Alaska: June 1981
The preliminary geomagnetic data included here is made available to scientific personnel and organizations, as part of a cooperative effort and on a data exchange basis because of the early need by some users. To avoid delay, all of the data is copied from original forms processed at the observatory; therefore it should be regarded as preliminary.
Authors
John B. Townshend, J.E. Papp, E.A. Sauter
Landslides from the February 4, 1976, Guatemala earthquake Landslides from the February 4, 1976, Guatemala earthquake
The M (Richter magnitude) = 7.5 Guatemala earthquake of February 4, 1976, generated more than 10,000 landslides throughout an area of approximately 16,000 km2. These landslides caused hundreds of fatalities as well as extensive property damage. Landslides disrupted both highways and the railroad system and thus severely hindered early rescue efforts. In Guatemala City, extensive property...
Authors
Edwin L. Harp, Raymond C. Wilson, Gerald F. Wieczorek
Sidescan-sonar data collected during May 1978 from the southern New England continental shelf Sidescan-sonar data collected during May 1978 from the southern New England continental shelf
Sidescan-sonar data were collected aboard R/V WESTWARD (Cruise W-39-4) during May 1978 by the U.S. Geological Survey using an Ocean Research Equipment System. Navigation in the study area was by Loran C. The 368 kilometers of survey were conducted in Block Island Sound, in Rhode Island Sound, and over the mid-Continental Shelf south of Block Island and Martha's Vineyard. Although the...
Authors
Charles E. McClennen
Transcription of geomagnetic variation data from sea data cassettes to tape using the HP9640A Transcription of geomagnetic variation data from sea data cassettes to tape using the HP9640A
No abstract available.
Authors
David V. Fitterman
Proceedings of Conference XIII, evaluation of regional seismic hazards and risk Proceedings of Conference XIII, evaluation of regional seismic hazards and risk
The participants in the conference concluded that a great deal of useful research has been performed in the national Earthquake Hazards Reduction Program by USGS and non-USGS scientists and engineers and that the state-of-knowledge concerning the evaluation of seismic hazards and risk has been advanced substantially. Many of the technical issues raised during the conference are less...
Authors
Barbara B. Charonnat
Mars and Earth: Comparison of cold-climate features Mars and Earth: Comparison of cold-climate features
On Earth, glacial and periglacial features are common in areas of cold climate. On Mars, the temperature of the present-day surface is appropriate for permafrost, and the presence of water is suspected from data relating to the outgassing of the planet, from remote-sensing measurements over the polar caps and elsewhere on the Martian surface, and from recognition of fluvial morphological...
Authors
Baerbel K. Lucchitta
Bibliography of landslides, soil liquefaction, and related ground failures in selected historic earthquakes Bibliography of landslides, soil liquefaction, and related ground failures in selected historic earthquakes
No abstract available.
Authors
David K. Keefer, Nancy E. Tannaci