﻿18 C. G. jRockwood, Jr.— American Earthquakes. 



1883. 

 Nov. 25. — Hour not stated, an earthquake of seven or eight 

 seconds with subterranean noise was felt at Curacoa, Coro, Mara- 

 caibo and Churuguara, Venezuela, repeated on the 26th. — JOAs- 

 tronomie. 



1884. 



The following earthquake notes from South America are 

 taken from a list of earthquakes published by M. C. Detaille 

 in L'Astronomie, 1885 (p. 183). Most of the reports are from 

 Valparaiso, and when no place is stated Valparaiso is to be un- 

 derstood. 



Jan. 1. — 3 h 10 m , a strong shock at Valparaiso with subterranean 

 noise. 



Jan. 5. — 15 h , a long shock. 



Jan. 7. — 3 h 8 m , three distinct shocks each continuing some 

 seconds. 20 h 18 m , a strong shock but of short duration. 



Jan. 14. — 13 h 15 m , a sharp double shock was felt in Jamaica. 

 At Kingston the first shock lasted about three seconds and was 

 followed after an interval of two seconds by a second shock last- 

 ing about five seconds. It was felt over nearly the whole of the 

 island. — Nature. 



Feb. 5. — 3 b , a strong shock at Valparaiso. 



Feb. 8 — 9 h 30 m , a rather strong shock. 



Feb. 9.— 5 h 30 m , a strong shock. 



Feb. 14. — 3 h 30 m , a strong shock. 



Mar. 3. — 3 h 35 m , a strong shock. 



Mar. 13. — 23 h 25 m , a strong shock. 



Mar. 14. — 23 h , a strong shock. 



Mar. 22. — 17 h 15 m , a strong shock. 



Mar. 23. — 4 h , two shocks; another at 17 h . 



Mar. 24. — 4 h , a weak shock. 



Mar. 25. — 5 h , a rather strong shock. 



Mar. 28. — 16 h , a very strong shock. 



April 9. — 3 h 45 m , two strong shocks. 



April 11. — 2 h 15 m , rumbling and strong shock. 



April 14.— 1 [l 15 m , feeble shock. 



April 15. — 3 h 30 m , a strong shock followed by two less strong. 



April 18. — 22 h 50 m , a strong and prolonged shock with thunder, 

 duration 30 seconds. 



April 25. — 1 h 15 m , strong shock coming from the south, pre- 

 ceded by a subterranean noise. 



