Letter | Published:

Deep Focus Earthquakes

Nature volume 127, page 486 (28 March 1931) | Download Citation

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Abstract

IN a report, issued by the Air Ministry and included in NATURE of Feb. 28 (p. 320), of an earthquake which was registered at Kew Observatory on Feb. 20, it was stated that the shock originated from a focus about 250 miles below the normal depth. It may be of interest to explain how it was possible to obtain this information from the records of a single station.

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Affiliations

  1. Kew Observatory, Richmond, Surrey, Mar. 2.

    • F. J. SCRASE

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DOI

https://doi.org/10.1038/127486a0

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