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The Cascadia fault, a 600-mile-long collision between two chunks of the earth's crust off the Pacific Northwest coast, has been quiet for a long time, and that is not a comforting fact. Major earthquakes occur somewhere in the world every year or two. Catastrophic tsunamis - giant waves generated by undersea earthquakes or landslides - strike less often, and some of the largest of tsunamis originate in places that do not, at first glance, appear particularly treacherous. The devastating tsunamis created Dec. 26 by a magnitude 9.0 earthquake that killed as many as 150,000 people on the shores of the...

Now, only 5 days after a Mag 7.0 earthquake shook the Cape Mendocino Fracture Zone offshore of the CA coast, aftershocks continue hourly. Over 420 earthquakes in this 110 km x 20 km region are already listed. More happen each hour. Why do hundreds of small earthquakes offshore of northern California matter? Nobody lives there, no businesses nor voters nor industry is destroyed. No FEMA trailers nor FEMA money is needed of the earthquake is underwater. The Cape Mendocino Fracture Zone is the southern border of three tectonic plates being pushed east underneath the US continental plate. The Gorda Plate...

A larger Mag 6.4 earthquake tripped offshore of Seattle WA last night. It is the latest in a small swarm of Mag 4, Mag 5, and now Mag 6 earthquakes that began two days in the Cascadia Fault Zone that runs from British Columbia south to Northern California. The Cascadia Fault is regularly hit with Mag 8 (average interval 350 years) and occainsional Mag 9 (interval about 580 years) earthquakes. The last very large killed thousands of native Indians up and down the Washington and Oregon coastline in January 1700, and hundreds more in Japan from its tsunami waves.

At 9PM on January 26, 1700 one of the world's largest earthquakes occurred along the west coast of North America. The undersea Cascadia thrust fault ruptured along a 680 mile length, from mid Vancouver Island to northern California in a great earthquake, producing tremendous shaking and a huge tsunami that swept across the Pacific. The Cascadia fault is the boundary between two of the Earth's tectonic plates: the smaller offshore Juan de Fuca plate that is sliding under the much larger North American plate. The earthquake also left unmistakable signatures in the geological record as the outer coastal regions subsided...

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1,700-year-old 'Roman Glass' Discovered in East China Glass remains over 1,700 years old, possibly imported from ancient Rome, have been discovered in an ancient tomb located in east China's Anhui Province, local cultural relic department said on Sunday. The tomb was found during the latest road project in Zhulong Village of Dangtu County in Anhui. Archaeologists believed the tomb was built in the Eastern Jin Dynasty (317 - 420). Covered with white mantlerock, the glass remains seem to have ancient Roman shapes and craftwork. According to the local cultural relic department, the owner of the tomb was possibly from an...

Chinese Archaeologists Find Ancient Tombs Mon Oct 17,11:31 PM ET BEIJING - Archaeologists have unearthed a 1,700-year-old complex of tombs in eastern China that contain bronze mirrors, porcelains and ancient money, a news report said Tuesday. ADVERTISEMENT The tombs near the port city of Ningbo were uncovered by a forklift operator working at a construction site, the official Xinhua News Agency reported. The report didn't say who was buried in the tombs or how many bodies had been found. Inscriptions in the tombs indicate they were built in 256 A.D., the report said, citing Ding Youfu, a member of the...

Source: University Of Washington Date: 2003-10-31 Japanese Shipwreck Adds To Evidence Of Great Cascadia Earthquake In 1700 Evidence has mounted for nearly 20 years that a great earthquake ripped the seafloor off the Washington coast in 1700, long before there were any written records in the region. Now, a newly authenticated record of a fatal shipwreck in Japan has added an intriguing clue. Written records collected from villages along a 500-mile stretch of the main Japanese island of Honshu show the coast was hit by a series of waves, collectively called a tsunami, on Jan. 28, 1700. Because no Japanese...