Quick Search:    advanced search

GSW Home   GeoRef Home   My GSW Alerts   Contact GSW   About GSW   Journals List   Help

This Article Full Text (PDF) References Alert me when this article is cited Alert me if a correction is posted Citation Map Services Email this article to a friend Similar articles in this journal Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via HighWire Citing Articles via Google Scholar Google Scholar Articles by CLOUD, W. K. Articles by PEREZ, V. Search for Related Content GeoRef GeoRef Citation

Unusual accelerograms recorded at Lima, Peru

SEISMOLOGICAL FIELD SURVEY NATIONAL OCEAN SURVEY NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION

Abstract

Accelerograms recorded in downtown Lima, Peru, appear to have two unusual characteristics in comparison with accelerograms recorded outside of Peru. First, the predominant period is approximately 0.1 sec, regardless of epicentral distance of earthquakes. Second, maximum accelerations are high in relation to epicentral distance of major earthquakes. For example, 0.40 g at an epicentral distance of over 160 km during the magnitude 7.5, October 17, 1966, earthquake, and 0.13 g at an epicentral distance of over 320 km during the May 31, 1970, earthquake, whose magnitude was rated by various agencies from 7.6 to 7.8. If the source of energy at Lima were closer than the earthquake epicenters, the accelerograms would appear less unusual, but there is no proof that this is the case.

This article has been cited by other articles:

				F. O. Strasser and J. J. Bommer Review: Strong Ground Motions--Have We Seen the Worst? Bulletin of the Seismological Society of America, October 1, 2009; 99(5): 2613 - 2637. [Abstract] [Full Text] [PDF]

				A. F. ESPINOSA, R. HUSID, S. T. ALGERMISSEN, and J. DE LAS CASAS The Lima earthquake of October 3, 1974: Intensity distribution Bulletin of the Seismological Society of America, October 1, 1977; 67(5): 1429 - 1439. [Abstract] [PDF]

				R. HUSID, A. F. ESPINOSA, and J. DE LAS CASAS The Lima earthquake of October 3, 1974: Damage distribution Bulletin of the Seismological Society of America, October 1, 1977; 67(5): 1441 - 1472. [Abstract] [PDF]

				B. A. BOLT Abnormal seismology Bulletin of the Seismological Society of America, April 1, 1976; 66(2): 617 - 623. [PDF]

				M. D. TRIFUNAC Preliminary analysis of the peaks of strong earthquake ground motion--dependence of peaks on earthquake magnitude, epicentral distance, and recording site conditions Bulletin of the Seismological Society of America, February 1, 1976; 66(1): 189 - 219. [Abstract] [PDF]

				D. L. ORPHAL and J. A. LAHOUD Prediction of peak ground motion from earthquakes Bulletin of the Seismological Society of America, October 1, 1974; 64(5): 1563 - 1574. [Abstract] [PDF]

				Y. IDA The maximum acceleration of seismic ground motion Bulletin of the Seismological Society of America, June 1, 1973; 63(3): 959 - 968. [Abstract] [PDF]

				A. EISENBERG, R. HUSID, and J. E. LUCO The July 8, 1971 Chilean earthquake Bulletin of the Seismological Society of America, February 1, 1972; 62(1): 423 - 430. [Abstract] [PDF]