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" Iceland, for their history reaches as far back as the ninth century of our era ; and from the beginning of the twelfth century, there is clear evidence that, during the whole period, there has never been an interval of more than forty, and very rarely... "
Outlines of Physical Geography - Page 55
by George William Fitch - 1856 - 225 pages
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The Gentleman's Magazine, Volume 148

Great Britain - 1830 - 716 pages
...century of our sera ; and from the beginning of the twelfth century, there ii clear evidence tliat during the whole period there has never been an interval...of more than forty, and very rarely one of twenty yean, without either an eruption or a great earthquake. So intense is the energy of the volcanic action...
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The Nautical Magazine: A Journal of Papers on Subjects Connected ..., Volume 29

Naval art and science - 1860 - 740 pages
...history reaches as far back as the ninth century of our era; and from the beginning of the twelfth century there is clear evidence that during the whole period there has never been an interval of forty, and very rarely one of twenty years, without either an eruption or a great earthquake. So intense...
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Principles of Geology: Being an Inquiry how Far the Former Changes ..., Volume 1

Sir Charles Lyell - Geology - 1837 - 568 pages
...history reaches as far back as the ninth century of our era; and, from the beginning of the twelth century, there is clear evidence that during the whole...volcanic action in this region, that some eruptions of Uecla have lasted six years without ceasing. Earthquakes have often skaken the whole island at once,...
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Outlines of Physical Geography

George William Fitch - History - 1856 - 274 pages
...in the North Atlantic, seems to form a volcanic region by itself. From the beginning of the twelfth century, there is clear evidence that, during the...lasted six years without ceasing. Earthquakes have ofien shaken the whole island at once, causing great changes in the interior, such as the sinking down...
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Principles of Geology; Or, The Modern Changes of the Earth and Its ...

Sir Charles Lyell - Geology - 1865 - 880 pages
...history reaches as far back as the ninth century of our era; and, from the beginning of the twelfth century, there is clear evidence that, during the...forty, and very rarely one of twenty years, without cither an eruption or a great earthquake. So intense is the energy of the volcanic action in this region,...
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Principles of Geology: Or, the Modern Changes of the Earth and Its ..., Volume 2

Sir Charles Lyell - Geology - 1875 - 742 pages
...history reaches as far back as the ninth century of our era ; and from the beginning of the twelfth century, there is clear evidence that, during the...volcanic action in this region, that some eruptions of Heel a have lasted six years without ceasing. Earthquakes have often shaken the whole island at once,...
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Principles of Geology; Or, The Modern Changes of the Earth and Its ..., Volume 2

Sir Charles Lyell - Geology - 1876 - 696 pages
...history reaches as far hack as the ninth century of our era ; and from the beginning of the twelfth century, there is clear evidence that, during the whole period, there has never heen an interval of more than forty, and very rarely one of twenty years, without either an eruption...
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Volcanoes: Past and Present

Edward Hull - Igneous rocks - 1892 - 316 pages
...which go to show that since the twelfth century there has never been an interval of more than forty years without either an eruption or a great earthquake. So intense is the volcanic energy in this island that some of the eruptions of Hecla have lasted six years without cessation....
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Journal of the Transactions of the Victoria Institute, Or ..., Volume 34

Victoria Institute (Great Britain) - Religion and science - 1902 - 378 pages
...which go to show that since the twelfth century there has never been au interval of more than forty years without either an eruption or a great earthquake. So intense is the volcanic energy in the island that some of the eruptions of Hekla have lasted six years without cessation....
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