Abstract
IN Comptes rendus, lxxxi. October, 1875, I find it stated, on the authority of M. Rivet, Telegraph Superintendent at Fort de France, Martinique, that when that island was visited by repeated earthquake shocks in September, 1875, each shock was preceded by a very marked disturbance of the electric telegraph needles. M. Rivet suggested that in this way warnings otherwise unattainable of impending shocks might be obtained.
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C., H. Earthquake Warnings. Nature 23, 529 (1881). https://doi.org/10.1038/023529f0
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DOI: https://doi.org/10.1038/023529f0
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