C. G. Rockwood—Notices of recent Earthquakes. 261 
Sept. 7, 1872. Vesuvius was emitting smoke from _two 
craters. Slight shocks were felt at the foot of the mountain. 
Sept. 21,1872. A slight shock was felt in the afternoon at 
Shanghae, China, lasting several seconds. 
Sept. 28, 1872. A smart shock was felt at Lima and neigh- 
Ting towns in Peru. : 
Oct. 2, 1872. A shock of three seconds’ duration was felt in 
the morning at San Francisco, CO 
: 9, 1872. A severe shock was felt about 10 A. M. at 
Sioux City, Iowa, and at Yanctou, Fort Randall, and other 
Points in Dakota. At Sioux City its duration was “twenty or 
thirty seconds,” Though distinctly felt on the low grounds, it 
Was not noticed on the bluff. t Fort Randall it was more 
ag and at White Swan, Dak., it was accompanied by a 
und like distant thunder. 
Oct. 12, 1872. A severe shock was felt at Oakland and San 
Francisco, Cal., at 4.9 a.m. The Oakland Transcript of Oct. 
l4 says: “«p 
the first motion was a vertical one, and immediately after there 
om east to west. 
Am. Jour, So.—Tumep Series, Vor. V, No. 28.—ApRIt, 1873. 
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