Abstract
BETWEEN May 18 and June 15, seven large earthquakes were registered by the seismographs at Kew Observatory. These were on May 23 (two), 24 and 30, June 6, 10 and 11. The two shocks on May 23 were from the same epicentre 2,850 km. distant. They commenced with compressional waves at 19h. 57m. 17s. and 22h. 39m. 33s. G.M.T. respectively, and the first attained a maximum ground amplitude at Kew of 24 [L. The shock of May 30 at 21h. 47m. 32s. G.M.T. from 17,000 km. may have had a focal depth of about 400 km. and the shock of June 10 at 20h. 46m. 10s. G.M.T. from 4,900 km. may also have had a deep focus (450 km.). The other shocks were smaller, and all the readings and calculations are tentative.
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Earthquakes Registered at Kew. Nature 147, 804 (1941). https://doi.org/10.1038/147804b0
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DOI: https://doi.org/10.1038/147804b0