Srinagar, the capital city of Kashmir, has been shaken numerous times by earthquakes in the past millennium, most recently by damaging earthquakes in 1885 (M 6.2, 30 km to the west) and 2005 (M 7.6, 200 km to the west) with estimated EMS (European Macroseismic Scale) intensity VI–VII. Earthquakes in Kashmir in earlier historical times are known only from fragmentary archival sources. We present and analyze unique, repeat photographs of the Pandrethan Temple near Srinagar, which we conclude can provide clues to the severity of nineteenth-century earthquakes. Photos taken in 1868 and 1885 and recently show that the temple, a 5.5-m-square masonry-block structure constructed ca. A.D. 920, was undamaged by these two earthquakes. We conclude that displaced blocks visible in the earliest extant photograph are the result of stronger shaking in the past, the most probable causal earthquake being in 1828. Considering the fragility of the structure, we conclude that anything greater than EMS intensity IX would have caused structural collapse. We thus conclude that Pandrethan has not experienced EMS intensity greater than VIII in the past 200 yr, and possibly not in the past millennium.

Abstract In all the Indian legends, whether it is the Ramayana or Mahabharata, one can find embedded elements of geological processes. Perhaps due to the lack of a sound scientific basis for recognizing geological processes in ancient Indian civilization, such processes were believed to be the acts of ‘Gods’ (Suras) and ‘Demons’ (Asuras) and hence they formed an integral part of these legends. Even in the present age where science is able to explain several geological processes, the Hindu faith is such that these myths and legends continue to be passed on to succeeding generations. The fact that these geological processes are contained in these epics helps to sustain truth (dharma) and maintain harmony. Ancient Indian civilization adopted this doctrine and its continuance will remain a fresh and vital part of future generations in India.

Abstract Clarence Edward Dutton (1841–1912), a Yale University graduate, served in the Civil War and, as a captain in the United States Army, was detailed for duty with John Wesley Powell’s US Geographical and Geological Survey of the Rocky Mountain Region and, later, the US Geological Survey. He spent 10 years in geological research in the Colorado Plateau region, studying its geomorphological and stratigraphic evolution, and coined the term ‘isostasy’. His monograph Tertiary History of the Grand Cañon District is renowned for its particular charm, with sublime landscape descriptions and superb illustrations. Dutton later undertook studies in volcanic geology in Hawaii, the Cascades and on the Colorado Plateau. Dutton studied the effects of the catastrophic Charleston earthquake of 31 August 1886 and later engaged in irrigation research in the American West. Dutton critically reviewed many major geological concepts, including the causes of volcanism, earthquakes and, especially, orogeny. His pioneering work on stratigraphy, geomorphology, isostasy and seismology place him at the forefront of nineteenth century researchers and reflects his ability to generalize from field observations and formulate principles that constitute explanations of the observed facts.

Abstract Clarence Edward Dutton (1841–1912) was one of several scientists who laid the foundations for modern geology from their work in North America during the late nineteenth century. Dutton was a career soldier who fought in the American Civil War and remained with the US Army Ordnance Corps to his retirement in 1901. Despite military obligations, Dutton developed a profound interest in geology and, on secondment first to the Powell Survey and later to the fledgling US Geological Survey, made important contributions to volcanic geology, seismology and physical geology. His lifelong fascination with volcanism led to improved understanding of the volcanic geology of the American West, Hawaii, and Central America. This work linked naturally with the emerging science of seismology, as reflected in his study of the 1886 earthquake in Charleston, South Carolina, and he is often credited with introducing the ‘new seismology’ to American scientific audiences. Awareness of volcanic and seismic hazards in turn led him to caution against a proposed sea-level canal across the Nicaraguan isthmus. His contributions to physical geology are most evident in several reports on the American West, notably the Report on the Geology of the High Plateaus of Utah (1880), the Tertiary History of the Grand Cañon District (1882), and Mount Taylor and the Zuni Plateau (1885). These reports, presented in colourful prose, reveal both the author's scientific acumen and his aesthetic appreciation of nature. Whereas most of Dutton's work must now be placed in its historical context, in his recognition of isostasy, a term he coined in 1882 to reflect the debate then raging concerning Earth's crustal behaviour, his ideas were remarkably prescient. Dutton's interest in isostasy derived in part from his studies of volcanic geology, seismology, and crustal behaviour, and in part from his fieldwork in the American West. Initially, however, it was Dutton's description of the great denudation of the Colorado Plateau, rather than any isostatic implications, that influenced geomorphology during the earlier twentienth century, dominated as it was by Davis' cycle of erosion. The subsequent demise of Davisian geomorphology, and the ensuing quest for alternative models, led to a reawakening of interest in isostasy as a concept basic to the explanation of Earth's surface features. Somewhat belatedly, Dutton's concept of isostasy is once again at the centre of debate regarding denudation and crustal behaviour. Wherever these debates focus, they confront a problem fundamental to geology, geodesy and geophysics, namely the extent to which the Earth's present relief reflects a quest for balance between the subsurface forces generating uplift, subsidence and mass transfers at depth, and the climate-induced processes responsible for denudation and mass transfers of rock waste across the surface. Dutton's probing of isostasy predated modern debate in geomorphology by more than a century.