■220 SCIENTIFIC RECORD FOR 1884. 



morning of September 7, 1882, and injured buildings in many places, 

 causing the loss of a few lives. 



The nineteenth report of Dr. Fuchs contains an account of the vol- 

 canic eruptions and earthquakes of 1883. {Min. u. petr. Mittli.^ 1884.) 

 jModerate eruptions of Etna during March and April are noted, and 

 others during the year, from Vesuvius and Cotopaxi, and also in Ice- 

 land, iSTicaragua, Colombia, and Alaska; but by far the most important 

 outbreak was the great eruption of Krakatoa, already noticed here. 



The record of earthquakes contains 263 items, distributed by seasons 

 as follows: Winter^ 56: December, 21; January, 21; February, 14. 

 Spring, 66: March, 22; April, 20; May, 24. Summer, 68: June, 20; 

 July, 29; August, 19. Autumn, 73: September, 29 ; October, 30; No- 

 vember, 31. The only one of importance was that in Ischia on July 28, 

 1883. 



In his twelfth " Notes on American Earthquakes " {Am. Jour. Sci., 

 XXV, 353) C. G. Ivockwood, jr., gives the record for 1882. It includes 

 72 items, classified geographically as follows: Canada, 6; New En- 

 gland, 5 ; Atlantic States, 6 ; Mississippi Valley, 11 ; Pacific coast, 19; 

 Mexico and Central America, 18 ; West Indies, 5 ; Peru, 1, They may 

 be classified by seasons thus : Winter, 11 : December, 5 ; January, 3 ; 

 February, 3. Spring, 18: March, 8; April, 6; May, 4. Summer, 14: 

 June, 2 ; July, 6; August, 6. Auttimn,29: September, 7 ; October, 16; 

 November, 6. 



The only earthquake which caused any damage was that of Septem- 

 ber 7, 1882, on the Isthmus of Panama. Others of local interest in the 

 United States occurred on September 7, October 22, and November 7. 

 Thirty-six items are added to the records for the years 1879-'81, all re- 

 ferring to the Central American region. 



In his thirteenth "Notes" (Aw. Jour. Set., xxyii, 358) the record 

 for 1883 is given. 



There are 76 shocks noted, distributed geographically as follows: 

 Canada, 8; New England, 3; Atlantic States, 2; Mississippi Valley, 

 11 ; Pacific coast, 23 ; Mexico, 1 ; West Indies, 4 ; Central America, 14 ; 

 Peru and Chili, 10. By seasons they may be classified thus : Winter, 

 16: December, 4; January, 7; February, 5. Spring, 20: March, 9; 

 April, 3; May, 8. Summer,!^: June, 3; July, 7; August, 8. Autumn, 

 22 : September, 8 ; October, 9 ; November, 5. 



Nearly all were but of moderate importance. The oply ones meriting 

 individual mention were : January 11, in Southern Illinois and adjacent 

 portions of Missouri, Kentucky, and Tennessee; March 8, on the Isth- 

 mus of Panama and in the States of Colombia, in which churches and 

 other buildings were injured ; May 19, itr Ecuador, overthrowing houses 

 in Latacunga ; October 6, at Mount Saint Augustin, in Alaska. 



In summarizing his lists for the twelve years 1872-'83, Professor 

 Eockwood finds that of the 364 earthquakes which are recorded for the 

 United States and Canada, 151 occurred on the Pacific slope, Q% in the 



