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Unleashed by ancient geologic forces, a magnitude 8.25 earthquake rocked San Francisco in the early hours of April 18, 1906. Less than a minute later, the city lay in ruins. Bestselling author Simon Winchester brings his inimitable storytelling abilities to this extraordinary event, exploring the legendary earthquake and fires that spread horror across San Francisco and northern California in 1906 as well as its startling impact on American history and, just as important, what science has recently revealed about ...
Unleashed by ancient geologic forces, a magnitude 8.25 earthquake rocked San Francisco in the early hours of April 18, 1906. Less than a minute later, the city lay in ruins. Bestselling author Simon Winchester brings his inimitable storytelling abilities to this extraordinary event, exploring the legendary earthquake and fires that spread horror across San Francisco and northern California in 1906 as well as its startling impact on American history and, just as important, what science has recently revealed about the fascinating subterranean processes that produced it—and almost certainly will cause it to strike again.
Laugh thy golden laughter;
Then, the moment after,
Weep thy golden tears!
Sir William Watson, "April," 1903
So far as the ancients of china are concerned, 1906 was a year of the Fire Horse -- a time of grave unpredictability that comes along every six decades, and a time when all manner of strange events are inclined to occur. So to the seers and the hermits in their faraway mountain aeries such events as unrolled during the year would have come as no surprise. The rest of humankind was less well prepared, however, and were caught unawares. And what instruments we have agree that, so far as matters of the earth were concerned, 1906 was, yes, a very bad year indeed.
At least it was bad seismically speaking, being a very violent and a very lethal year. And the flurry of activity that marked what the numbers show to have been among the most ill behaved of times of the entire century began in the morning of the last day of January, when there was an enormous earthquake under the seabed of the Pacific Ocean.
It is said today to have been the greatest and most powerful earthquake that had until that moment ever been registered by the machines of humankind, and it struck a score of communities along the South American coast, devastating towns, inundating fields, and causing huge waves to tear out into the open ocean. Its shaking lasted for more than four minutes, and as many as 2,000 people are thought to have died in the disaster. Scores of thousands were injured and made homeless, and countless villages and at least one major port city were totally destroyed. The effects of the huge traveling sea waves from the event were felt as far away as San Diego, and in Honolulu Harbor in Hawaii all the steamboats waiting at anchor were spun around and carried upward on an enormous tsunami, which ebbed and flowed like a tide every few minutes, bringing confusion and alarm in its wake.
The epicenter of this earthquake, whose details are still pored over, is now calculated to have been some eighty miles due west of a prominent headland known as El Cabo de San Francisco, in Ecuador.
The town that was all but destroyed -- but which has since been rebuilt, only to be damaged many times subsequently -- was the island port of Tumaco, now a prominent oil terminal. But in 1906 it was a place where fishermen brought in sizable catches of tuna and sardines, and where traders hawked bales of rubber and pallets of cinchona bark, ready to be pressed for quinine. Tumaco is some thirty miles north of the Ecuadoran frontier, in Colombia.
Both Ecuador and Colombia suffered grievously from the earthquake, and even today people in the villages by the mangrove swamps of the estuaries speak fearfully of the morning when several hundred miles of their coastline, from the port of Guayaquil in the south to Buenaventura in the north, were devastated by the power of the water and the four minutes of ground shaking. Seismologists working in the 1930s, when Charles Richter created his scale of magnitude, estimated that the Ecuadoran-Colombian Earthquake of 1906 had a magnitude of 8.4, as high as anything then known; new calculations today suggest an even greater magnitude, of anything approaching 8.8 -- as bad a disaster as could possibly be imagined, whether it rated 8.4 or 8.8 or somewhere in between, for the two young republics struggling to their feet.
But the earth wasn't done yet. Sixteen days later there was another very large earthquake, this time on the island of St. Lucia, one of the four specks of Caribbean limestone, sand, and coral that make up what was then the British crown colony of the Windward Islands. According to interpretations of the damage data made in the 1970s, it rated somewhere between VII and VIII on the magnificently named Medvedev-Sponheuer-Karnik Earthquake Intensity Scale. Just as with the Ecuadoran event of the month before, this February earthquake had its epicenter in the sea too, somewhere off the northeastern tip of St. Lucia, and about twenty miles south of the French possession of Martinique.
This event, which collapsed buildings on both St. Lucia and Martinique, and which was felt by the populations of other islands in the eastern Caribbean, including Dominica and Grenada and St. Vincent, did not kill anyone. But it triggered a burst of smaller earthquakes -- probably a swarm of so-called volcanic earthquakes, which tend to occur when spurts of magma force their way up into the earth's upper crust, after the crust has been weakened by a deeper earthquake that has been caused by the movement of tectonic plates. This wave of lesser earth movements went on for two or three weeks, and for a while the placid life of an island whose people produced, according to the Colonial Office report of the time, a heavenly confection of "sugar, rum, cocoa, coconuts, bananas, bay oil, bay rum, spices and sea island cotton" was dangerously interrupted. The colonial governor, who had his headquarters in Grenada, was alerted, and a Royal Navy warship was dispatched from the squadron in Bermuda. Assistance was offered, assessments were made, and St. Lucia was from that moment on formally designated an earthquake-prone territory, risky enough to be of note but not sufficiently dangerous to be abandoned.
Still it was not over. Five days later a tremendous outbreak of ground shaking occurred in Shemakha, an ancient town of mosques and temples . . .
Excerpted from A Crack in the Edge of the World by Simon Winchester Copyright © 2005 by Simon Winchester.
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Posted October 14, 2005
Author Simon Winchester gives a crisp and authoritative reading of 'A Crack in the Edge of the World,' and well he should as he not only is a spellbinding storyteller but also a geologist schooled in the mysteries of the destructions that can assail our world. The recent tragedy in South Asia reminds us once more of the horrific toll taken when our Earth is rent asunder, and through Winchester's eyes we see again the destruction that began on April 18, 1906 in San Francisco. While Winchester is certainly an accomplished scientist he relates the causes of this historic event with such clarity that lay listeners are able to easily grasp the ramifications of the theory of plate techtonics (a theory of geology which sets out to explain continental drift), while at the same time he weaves a fascinating narrative of what happened and what we have learned since that time about earthquakes, their causes and effects. It's well to remember that in 1906 San Francisco was the golden city, formed in part by the Gold Rush and the immigrants who poured in seeking their fortune. It was an exciting place, a place of promise. Then, quite suddenly, along with a number of other towns San Francisco was hit by an earthquake of tremendous proportions - 8.25 on the Richter scale. It took less than 60 seconds for it to ravage 490 blocks and turn 25,000 buildings to rubble. In effect, the city was toppled, soon to be reduced to smoldering ahes by the fires that followed. With 'A Crack in the Edge of the World' Winchester has made a valuable contribution to the archives of American history, and reminded us that we can be destroyed but never defeated. - Gail Cooke
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Posted September 13, 2012
In my plans to go to San Francisco recently, I decided to read Mr. Winchester's book- I had already read two others by him. He is a well researched, very intellectual writer, and extremely detailed. If you want to learn about tectonic plates, and particularly the San Andreas Fault this book would be quite excellent.
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Posted December 30, 2013
Simon Winchester's A Crack in the Edge of the World is a very interesting book and easy to read. However, if you are looking for a lot of details regarding the San Francisco Quake as well as the aftermath (rebuilding), this is not the book for you to purchase. A Crack in the Edge of the World has a great amount of details regarding plate tetonics, famous quakes world-wide, history of California and the early days of San Francisco. For me, I enjoyed this information and found it very useful for understanding the San Francisco quake as well as the California fault systems in general. My only criticism about the book was a statment he made regarding the use of camels by the US Army in the West and that being a total failure. In reality, it was not the camels that failed. It was the US Army that moved its attention to the Civil War and the camel "experiment" was over. Despite what Winchester says, it was a success and I would recommend The Last Camel Charge by Forrest Bryant Johnson for information regarding this little known episode on US History. Overall, I would recommend this book to anyone that has begun collecting infromation about the 1906 San Francisco Quake as it is a great introduction to the subject.
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Posted January 31, 2014
Well I would say this book is just so-so. Unless you're really into all the technical stuff about plate techtonics not just in the CA area but all over the world, you're going to be bored with the first third or so of the book which is just mildly interesting. It does get very interesting once you get to what the book is really about, the SF earthquake- too bad it just doesn't start with that.Was this review helpful? Yes NoThank you for your feedback. Report this reviewThank you, this review has been flagged.
Posted January 24, 2014
Earthquakes happen and Winchester's book helps explain them. The floating 'islands' that we all live on are those plates, and their bumping and grinding together result in earthquakes. The book focuses more detail on the 1906 in San Francisco, but the explanations of why quakes occur is fascinating. Living in California I naturally have an interest in quakes. Winchester has a conversational tone to his writing that makes the complexies of plate tectonics understandable to the lay person without a geology major background.Was this review helpful? Yes NoThank you for your feedback. Report this reviewThank you, this review has been flagged.
Posted January 10, 2014
A really great read. You'll not get into the beef until about page 140. That's okay, there is alot of interesting stuff about geology and it's history. Some interesting stuff about the California gold rush and some rather interesting information about what the Chinese had to endure in San Francisco in those times. I really enjoyed this book.Was this review helpful? Yes NoThank you for your feedback. Report this reviewThank you, this review has been flagged.
Posted May 2, 2009
A Crack in the Edge of the World, the story of the 1906 San Francisco earthquake and fire, is a fascinating story fill with many interesting details, profiles of people, and historic information. At times the geological explanations get difficult, but they are worth rereading and in order to comprehend them. The author digresses a lot, but these are all fascinating digressions that very gracefully lead back to the main ideas of the book. The research seeems inpeccable. The only criticism I have to the book is that the maps don't clearly show what the author is trying to point out. The maps and diagrams could certainly have been made much clearer. But, all in all, the book is af fascinating read.Was this review helpful? Yes NoThank you for your feedback. Report this reviewThank you, this review has been flagged.
Posted October 28, 2008
I Also Recommend:
Very detailed step by step leading up to the catastrophic event of the 1902 San Fransisco earthquake and it's fires. A lot of time on research was seriously spent into putting this book together. This is one of the rare books that talks about events that are not mentioned at all in history books. This is the reason why Simone Winchester is my top favorite athorWas this review helpful? Yes NoThank you for your feedback. Report this reviewThank you, this review has been flagged.
Posted May 21, 2007
The title is misleading as this is more an explanation of teh geology of the great San Francisco quake than it is a history of how it 'changed America'. Still, funky, well-written and very interesting.Was this review helpful? Yes NoThank you for your feedback. Report this reviewThank you, this review has been flagged.
Posted November 12, 2006
Posted October 4, 2006
I love the way Simon Winchester weaves history through the story of the 1906 earthquake. The whole book is very informative and filled with great small stories. I loved the book. It helped me get a better perspective on earthquakes. Thank you Simon ! Luke Thomas Holmquist quakeprediction.comWas this review helpful? Yes NoThank you for your feedback. Report this reviewThank you, this review has been flagged.
Posted January 11, 2006
I expected this book would have more story telling. There really is very little character development to keep it going. I hoped it was more like a Michener style of writing. Combining fictional or semi-fictional characters in the place setting and then letting the story unfold. This is all geology.
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Posted October 22, 2008
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Posted November 30, 2012
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Posted February 1, 2013
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