Abstract
DURING May and June 1943, forty-five earthquakes and earth tremors were registered by the five Wiechert seismographs at the Observatory at Toledo, according to provisional bulletins just received. During May there were sixteen shocks, the strongest recording being on May 25, when an earthquake beginning with an unidentified emergent pulse at 23h. 22m. 23s. attained a maximum amplitude of 480 µ on May 26 at 00h. 09m. 17s. An earthquake with an estimated depth of focus of 230 km. began recording with iPze at 17h. 29m. 54s. on May 2. During June there were twenty-nine shocks registered. The greatest registration was on June 13, when an earthquake, beginning with iPz at 5h. 24m. 56s., attained a maximum amplitude of 270 µ. at 6h. 05m. This shock had a depth of focus of 100 km. The shock of June 20, which was reported as destructive at Adapazar in Turkey, first registered at 15h. 38m. 29s. and attained a maximum amplitude at Toledo of 41 µ at 15h. 51m. (NATURE, July 3, p. 17).
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