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Excerpt from Natural and Statistical View, or Picture of Cincinnati and the Miami Country, Illustrated by Maps: With an Appendix, Containing Observations on the Late Earthquakes, the Aurora Borealis, and South-West Wind There are but two considerable rapids. The first, called Le Tart's, is' about 230 miles below Pittsburgh. It is a ripple caused by rocks - rather dangerous in low water, perceptible when the water is at a mean height, but net discoverable in moderate floods. The other, 560 miles below Pittsburgh, opposite the town of Louis ville, called, by way of pre-eminence, the falls, has a descent of 22 1-2 feet in two miles. The bed of the river consists of stratified, level, limestone. In low water, loaded boats cannot descend; in a medium flood, they pass down in safety, under the direction of apilot. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Excerpt from Natural and Statistical View, or Picture of Cincinnati and the Miami Country, Illustrated by Maps: With an Appendix, Containing Observations of the Late Earthquakes, the Aurora Borealis, and South-West Wind There are but two considerable rapids. The first, called Le is about 230 miles below Pittsburgh; It is a ripple caused by rocks - rather dangerolm in low water, perceptible when the water is at a mean height, but not discoverable in moderate floods. The other. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

This is the first book to really make sense of the dizzying array of information that has emerged in recent decades about earthquakes. Susan Hough, a research seismologist in one of North America's most active earthquake zones and an expert at communicating this complex science to the public, separates fact from fiction. She fills in many of the blanks that remained after plate tectonics theory, in the 1960s, first gave us a rough idea of just what earthquakes are about. How do earthquakes start? How do they stop? Do earthquakes occur at regular intervals on faults? If not, why not? Are earthquakes predictable? How hard will the ground shake following an earthquake of a given magnitude? How does one quantify future seismic hazard? As Hough recounts in brisk, jargon-free prose, improvements in earthquake recording capability in the 1960s and 1970s set the stage for a period of rapid development in earthquake science. Although some formidable enigmas have remained, much has been learned on critical issues such as earthquake prediction, seismic hazard assessment, and ground motion prediction. This book addresses those issues. Because earthquake science is so new, it has rarely been presented outside of technical journals that are all but opaque to nonspecialists. Earthshaking Science changes all this. It tackles the issues at the forefront of modern seismology in a way most readers can understand. In it, an expert conveys not only the facts, but the passion and excitement associated with research at the frontiers of this fascinating field. Hough proves, beyond a doubt, that this passion and excitement is more accessible than one might think.