262 ©. G. Rockwood—Notices of recent Karthquakes. 
Oct. 18, 1872. ee shocks were felt in many districts of 
New South Wal 
Nov. 12, 1872. “ sharp shock was felt in the night at Austin, 
Nev. A light shock was felt at Stockton, Cal., the same night. 
A shock was also felt at Valparaiso, Chili, on the same date. 
Nov. 18, 1872. severe shock occurred about 2 P. M. at 
Con cord, N.H. It lasted about ten aki The shock was 
Sesuatie heard and was plainly perceptible to persons walking 
in the streets. The apparent course was from west to east. 
The shock was felt in adjacent towns and also at Laconia, 
about thirty miles nort 
Nov. 28, 1872. A slight shock was felt at Derby, Eng. 
Dec. 1, 1872. Despatches of this date from City of Mexico 
state A Coal had been felt in the district of Michoacan, 
that a new volcano was forming and eruptions were frequent. 
copious. ieliers from Gaudalaxara say that since the end of 
are t the volcanoes of Colima and Soborneo had shown 
unusual patie Loud subterranean sounds were heard, with 
severe earthquakes and partial eruptions, setting fire to forests 
and plantations. 
Dec. 10. and 11, 1872. Severe shocks were felt at Helena 
and Deer Lodge, M soap 
At Helena, at 44 P. 0, there were two shocks of 
about equal foree and «eect the two lasting five seconds. 
The direction of the wave was from west to east, and it was ac- 
companied by the usual rumbling noise. The vibration was 
sufficiently forcible to crack plastering, part stove pipes, &c. 
At 7 a. M. Dec. 11, there was another shock nearly as forcible 
as the first, but no sound was heard. 
At Deer Lodge, which is separated from Helena by a range 
of mountains, the ‘first shock was at 4.58 p. M. and the last at 
5d , and — was a slight shock heen 2 and 3 
o’clock A. M. Here also the wave was from the west or a little 
north of west and the eink noise was heard. It was rather 
more forcible than at Helena, and was more noticeable on the 
lowlands than on the bench land. At the time of the first shock 
it was perfectly calm, the sky one-third cloudy, thermometer 
+21°, barometer 25 814 in. The shocks were felt at other pre 
in the same valley. 
ly 15 seconds. At Dalles there were four or five erreaa 
and another at 9 A. M., Dec. 15. At Umatilla there were three 
shocks, At Walla-Walla two heavy shakes, At Wallula a 
heavy shock, followed by five lighter ones at intervals of 15 
minutes, after which a nape rumbliug sound was heard, and 
slight shocks continued a t irregular intervals until 4 A. M. 
