VULCANISM, ETC., IN ICELAND. 503 



IclOS. Earthquakes in the south of Iceland, destroying eighteen farms 

 and killing six i)eople. 



i;311. Fourth eruption of the Katla, on the 2oth of January, com- 

 l)let(>ly ravaging the district of L4geyjarhverli. Earthquake shocks on 

 the 10th and 11th of January destroyed titty one farms. 



1332. Eruption in the vicinity of the district of Sidha on the -Jd of 

 December. The exact spot has not been located. 



1339. Earthquake on the 22d of May, in the south of the island, de- 

 stroying a number of farms above Skeidh, Floi, Holtamannahoepj)r, 

 and between the Thj6rs4 and the Eystri Eangd. In the mountains of 

 Hengil a hot spring appears, with a circumference of 75 meters. 



1340. Third eruption of the TrbUadyngja. 



. 1341. Seventh eruption of the Hecla, on the 19th of May, accompanied 

 by an enormous fall of cinders, which devastated several districts in the 

 surrounding country, while at the same time an earthquake destroyed 

 several farms. In the same year au eruption of the Oraefajokull is 

 mentioned. 



1343 (approximately). Eruption of the EandhuTcambar. In the adjoin- 

 ing valley of Thjorsardalr eleven farms were completely destroyed. 

 Of some of them the ruins are still in existence. 



1349. Second eruption of the OraefajoJcullj which devastated five 

 fertile districts (Herreder). After the ice covering the mountains 

 began to melt, the torrents thus formed swept away forty farms and 

 two churches, and those which bent their course towards the sea carried 

 such a quantity of sand and gravel that a beach had formed after the 

 eruption at a place where before the water had a depth of 56 meters. 

 Some lists give the dates of this eruption in the years 1350 and 13G2, 

 respectively. 



1360. Fourth eruption of the Trollad^ngja. Pumice stone was car- 

 ried westward, towards the sea, as far as M;^rar, and the eruption was 

 l^lainly visible at Snaefellsnes. 



1370. Earthquake, causing the tumbling down of twelve farm-houses 

 in Olfus. 



1389 -'90. Eighth eruption of the Heela. The principal eruption took 

 place from two new craters which opened below the farm of Skardh. 

 It lasted to the middle of the year 1390 and destroyed two farms. The 

 same year saw the fiith eruption of the Trolladyngja and one of the 

 Sidhjolcidl. 



1391. Earthquakes at Grimsnes, Floi, and Olfus which were felt to the 

 northwest as far as Holtavordhuheidlii. Fourteen farms were seriously 

 damaged and three houses caved in. 



1410. Fifth eruption of the Katla, with a considerable fall of ashes. 



1422. Sixth submarine explosion southward of Reyljanes. A new 

 island was formed, which later on disappeared again. 



1436. isinth eruption of the Secla, resulting in the destruction of 

 eighteen farms during one morning. 



