158 C. G. Rockwood— Recent American Harthquakes. 
Art. XXI.—WNotices of Recent American Earthquakes. No.8; 
s Professor C. G. Bockwoop, Jr., College of New Jersey 
In these notices, as heretofore, those based upon single news- 
paper notices and which could not be otherwise verified, are 
printed in smaller type and the source of the information is 
indicated. 
or information received, I am again indebted to J. M. 
Batchelder, Esq., of Boston, who has kind] y given me the benefit 
of his lists; and to the U. S. Mo nthly Weather Review. 
1877.3 aly 13. From Coban, a place in the central part of 
Gautemala, east of the mountains, there were reported thirteen 
or fourteen shocks at 5.15 a. M., the direction E. to W.—(U.S. 
Weather Rev.) 
. to 
July 27. At8p.M.aslight shock, lasting a few seconds, 
Aug. 27. At 11.35 4a. M. three shocks from the north. 
Sept. 10. At 10.45 a. M. two shocks, lasting seven seconds 
and sufficiently strong to sway the facade of the church. 
Sept. 10. A slight shock felt about 2 a. m. at Cambridge, 
Mass. Hight hours later the shock occurred along the Dela- 
ware River, already noted, ITI, xv, p. 25. 
Nov. 16. The shock about 2.30 4. M. at Knoxville, Tenn., 
as noticed, oer Xv, p. 27, was Mion S.W. to N.; and was felt 
also at Mur N. C., where the direction was W. to E. and 
the duration oe seconds. 
Noy. 21. At Coban, Gautemala, at 10.16 A. M. two ve ertical 
shocks, and = 10.37 P.M. a number of small shocks lasting 
cal secon 
v. 24. “At Red Bluff, Cal., two shocks at 6.30 and ae 
A. M. ithe first lasting twenty seconds, and being from E. to 
This was felt also at San Francisco 
At Coban, Gautemala at 9.57 A. M. a few vertical 
shocks lasting twenty secon 
Dee. 14. A strong shock at 7.15 p. m. in Callao, Peru, the ™ 
dutation being from N. to S.—(N. Y. Times 
Dec. 18. At Beachburg, Ont., two shocks, the first between 
land 2 A. M., the second between 5 and 6 A. M. and quite ig 
1878—Jan.2. A slight shock about 7 Pp. Mm. in Louisa & 
Hanover Counties, Va., accompanied by a roaring sound. 
Jan. 8. Two slight shocks at 10.80 P. M. at Cairo, Il. 
Jan. 23. At7.55 P.M. a strong shock, lasting thirty seconds, 
occurred on the southern coast of Peru. It was severe at 
Iquique and Arica, and was accompanied by a subterranean 
