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Page 4865, results 121601 - 121625

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Volcanic hazard alert issued for the Long Valley-Mono Lake area of California
R. A. Kerr
1982, Earthquake Information Bulletin (USGS) (14) 84-93
The ski resort of Mammoth Lakes, nestled against the east front of the Sierra Nevada just east of Yosemite National Park, knows about natural hazards. It is still being shaken by an unusual sequence of earthquakes that started in 1978 and included four earthquakes of magnitude 6 within 48 hours...
The role of the Organization of American States in the development of seismology in Latin America
A. Quesada
1982, Earthquake Information Bulletin (USGS) (14) 7-9
Seismological studies in Latin America were initiated at the beginning of the 20th century, when the first seismological stations were deployed by certain scientific associations. These efforts provided an incentive to the professional community for further activites. Until this date, the only seismic records that existed were historical accounts of...
Earthquakes, September-October 1981
W. J. Person
1982, Earthquake Information Bulletin (USGS) (14) 67-70
There were three major earthquakes (7.0-7.9) during this reporting period. The first and largest was a magnitude 7.7 on September 1 in the Samoa Islands region in the South Pacific. A magnitude 7.2 occurred on October 16 off the coast of central Chile. The third, on October 25 in Michoacan,...
Earthquakes, November-December 1981
W. J. Person
1982, Earthquake Information Bulletin (USGS) (14) 115-118
The last 2 months of the year were somewhat active, seismically speaking, including three major earthquakes (7.0-7.9) during the month of December. The first of the major quakes was in the Aegean Sea on December 19, and the other two were in the South Pacific in the Kermadee Islands on...
Engineering aspects of seismological studies in Peru
L. Ocola
1982, Earthquake Information Bulletin (USGS) (14) 33-38
Large and small earthquakes occur frequently in Peru. Official institutions in charge of the study of seismological and geophysical aspects of such large natural events have a responsibility to provide engineers, planners, and government officials with basic data to implement safety measures to minimize the destructive impact of great earthquakes. The...
Earthquakes; May-June 1982
W. J. Person
1982, Earthquake Information Bulletin (USGS) (14) 222-225
There were four major earthquakes (7.0-7.9) during this reporting period: two struck in Mexico, one in El Salvador, and one in teh Kuril Islands. Mexico, El Salvador, and China experienced fatalities from earthquakes. In the United States, a number of earthquakes occurred, but only one, in Utah caused some minor damage. ...
Seismology in Mexico
C. Lomnitz
1982, Earthquake Information Bulletin (USGS) (14) 30-32
Mexico is situated at the intersection of four major crustal Plates: the Americas Plate, the Pacific Plate, the Caribbean Plate, and the Cocos Plate. The interaction of these four plates is very complex. The pattern of earthquake risk is, therefore, among the most complicated in the world. The average release...
Progress of the seismological program in El Salvador
M. A. Martinez
1982, Earthquake Information Bulletin (USGS) (14) 39-43
 El Salvador is located in Central America at the axis of geographical coordinates 14° north latitude and 89° west longitude. Situated inside the circumpacific "ring of fire" it is thus vulnerable to sudden earthquakes and volcanic eruptions.  Since 1520, El Salvador has sustained approximately 40 destructive earthquakes, an average of one...
Earthquakes; March-April 1982
W. J. Person
1982, Earthquake Information Bulletin (USGS) (14) 188-191
The earthquake activity during this reporting period was somewhat quiet as far a significant earthquakes were concerned. There were no major [magnitude (m)=7.0-7.9] earthquakes during this reporting period, but five people were reported killed in Peru from earthquakes on March 24 and 28. A number earthquakes occurred in the United States,...
Earthquakes; January-February 1982
W. J. Person
1982, Earthquake Information Bulletin (USGS) (14) 147-151
A number of significant earthquakes occurred in many parts of the world during the first month of this year. The first major earthquake (magnitude 7.0-7.9) of the year was on January 11 in the Philippine Islands. the second major quake, on January 18 in the Aegean Sea, was followed by...
The U. S. Geological Survey Geologic Hazards Program
D. L. Peck
1982, Earthquake Information Bulletin (USGS) (14) 182-182
In 1879, Congress established the U.S Geological Survey for "the classification of the public lands and the examination of the geological structure, mineral resources, and products of the national domain." Throughout the past 103 years, the Survey has successfully fulfilled these responsibilities, but it has also been responsive to changing...
Working group on the “adequate minimum” V=volcanic observatory
R.I. Tilling
1982, Earthquake Information Bulletin (USGS) (14) 185-185
A working group consisting of R. I. Tilling (United States, Chairman), M. Espendola (Mexico), E. Malavassi (Costa Rica), L. Villari (Italy), and J.P Viode (France) met on the island of Guadeloupe on February 20, 1981, to discuss informally the requirements for a "Minimum" volcano observatory, one which would have the...
Earthquake engineering research program in Chile
G. R. Saragoni
1982, Earthquake Information Bulletin (USGS) (14) 22-25
Earthquake engineering research in Chile has been carried out for more than 30 years. Systematic research is done at the university of Chile in Santiago. Other universities such as the Catholic University, university of Concepcion, and the Federico Santa Maria Technical University have begun to teach and conduct research in...