Abstract
PROF. MILNE'S note in NATURE of February 21 raises an interesting question which can readily be answered; the earthquake which preceded the Valparaiso shock originated under the North Pacific Ocean in about 30° N. lat., 170° E. long., at about oh. 11m. a.m. G.M.T., or 351/2; minutes before the Chilian earthquake as recorded at Santiago. This position does not agree with the distance given in the note, but Prof. Milne, in correspondence, has informed me that this is in error, and the distance, as indicated by the Shide diagram, is 90°, which is in close accordance with my own determination of the distance.
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OLDHAM, R. The Valparaiso Earthquake, August 17, 1906. Nature 75, 439 (1907). https://doi.org/10.1038/075439a0
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DOI: https://doi.org/10.1038/075439a0
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