Náttúrufræðingurinn

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Náttúrufræðingurinn - 1989, Side 54

Náttúrufræðingurinn - 1989, Side 54
HEIMILDIR Ebenezer Henderson 1818. Feröabók, frá- sagnir um ferðalög um þvert og endi- langt ísland árin 1814 og 1815 með vet- ursetu í Reykjavík (Þýðandi Snæbjörn Jónsson). Snœbjöm Jónsson & Co.hf Reykjavík 1957. 502 bls. Geikie, Archibald 1905. The Founders of Geology. Dover Publications, Inc. New York. 2.útg. 1962. 486 bls. Leó Kristjánsson 1978. Ný heimsmynd jarðfræðinnar. Náttúrufrœðingurinn 48. 106-122. Páll Einarsson, Sveinbjörn Björnsson, Gillian Foulger, Ragnar Stefánsson og Þórunn Skaftadóttir 1981. Seismicity pattern in the South Iceland seismic zone. Earthquake prediction - An In- ternational Review Maurice Ewing Ser- ies 4. 141-151. Sveinbjörn Björnsson 1976. Jarðskjálftar á Islandi. Náttúrufrœðingurinn 45. 110- 133. Sveinbjörn Björnsson og Páll Einarsson 1981. Jarðskjálftar. í Náttúra íslands, 2. útg., Almenna bókafélagið, Reykjavík. 121-155. Vinnuhópur Almannavarnaráðs um jarð- skjálfta á Suðurlandi og varnir gegn þeim 1978. Landskjálfti á Suðurlandi. Almannavarnir ríkisins 07-78. AV-1. 54 bls. Þorvaldur Thoroddsen 1899-1905. Land- skjálftar á íslandi. Hið íslenska bók- menntafélag, Kaupmannahöfn. 269 bls. Seibold, E. og W.H.Berger 1982. The sea floor. An introduction to marine geo- logy. Springer-Verlag, Berlin. 288 bls. SUMMARY Ebenezer Henderson and the Sudurland Seismic Zone by Páll Imsland Nordic Volcanological Institute University of Iceland IS-101 REYKJAVIK Iceland Ebenezer Henderson was an English priest who travelled through Iceland in the years 1814-15 selling the Bible to the Icelanders. At that time no geological map had been made of Iceland, no geo- logist was living in the country, and in general very little was known about its geological features. This article recalls a 170 year old statement of Mr.Henderson about a connection between the volcanic fields in the western and eastern parts of southern Iceland through an earthquake zone which has caused death and destruc- tion for a long time at about 100 year in- tervals. Today geologists interprete this in accordance with plate tectonics theory as a fracture zone where the rift zone of the Reykjanes peninsula is offset in relation to the rift zone in southern Central Iceland. 108

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