The year was 1989. The place was Anchorage, Alaska. The project was the installation of a gravity sewer line beneath Campbell Lake while it was drained for dam repairs. While this type of project and installation is unique in itself, the pipeline’s performance during a magnitude 7.1 earthquake more than 30 years after it was installed is equally remarkable.
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Located 25 miles north of Seattle, Everett, Washington, is home to more than 110,000 residents. Everett is also located along the Cascadia fault line, which makes the city more susceptible to a massive earthquake. When the time came to replace some of its aging water distribution lines, the city installed AMERICAN’s Earthquake Joint System.
Read MoreThe long holiday weekend was filled with news about seismic activity in California and Nevada. An original jolt on Thursday was followed by thousands of aftershocks and an even stronger 7.1 quake on Saturday, and tremblers are expected to continue for days.
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