On amplitudes of P near the shadow zone

51 short-period vertical North American and Canadian records of the Samoa earthquake 14 April 1957 were examined. Amplitudes of P were very large at the western stations (Δ < 84˚) and small at the stations to the east, 8 of which recorded P at distances greater than 100˚. Th...

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Bibliographic Details
Main Author: Inge Lehmann
Format: Article
Language:English
Published: Istituto Nazionale di Geofisica e Vulcanologia (INGV) 2010-02-01
Series:Annals of Geophysics
Online Access:http://www.annalsofgeophysics.eu/index.php/annals/article/view/4589