

Three years after completing the transcontinental railroad, Charles Crocker, a railroad executive, made a presentation to the Marin County Board of Supervisors in which he laid out plans for a bridge that would span the Golden Gate Strait, the entrance to the ocean from San Francisco Bay. Here are a few things you might not have known about the oft-photographed structure. October 30, 2002. Josephine County Emergency Services Plan August 2004 page 4Īs an insurance broker I help individuals throughout Oregon and the Pacific Northwest manage risk.On May 27, 1937, San Francisco’s Golden Gate Bridge opened to the public. “Geo Watch Warning Quake Shook Portland 40 Years Ago.” The Oregonian. “Local damage from quake centered near Seattle.” March 1, 2000. Historical earthquakes in and around Portland, Oregon.

September 20, 1993: Magnitude 5.0 and 6.0 – There were two initial quakes that were followed by a number of aftershocks, the largest being a 5.1 quake in December of 1993. Damage was reported along the coast and in Josephine and Jackson Counties.Īpril 14, 1920: An earthquake of unrecorded magnitude was centered around Crater Lake. It occurred on Novemat the California border on the coast and had a magnitude of 6.75. The first earthquake of note is the largest recorded earthquake in Oregon history. The quake was centered just south of Salem, and registered 4.6 on the Richter scale.Īpril 13, 1949: Magnitude 7.1 – Polk county residents felt an earthquake that was centered near Olympia, Washington. Three earthquakes have affected southern Oregon since 1870. 4Īpril 18, 1961: Magnitude 4.6 – A quake in Albany, Oregon caused little damage to the county, but startled many residents. It was the largest quake to be generated by a fault under Portland and Vancouver. November 5, 1962: Magnitude 5.2 – In the Vancouver, Washington area three and a half weeks after a devastating Columbus Day Storm, an earthquake measured approximately 5.2 on the Richter scale and shook the Portland area. Despite the low magnitude of the quake, damage still occurred (especially to older masonry buildings). March 7, 1963: Magnitude 4.6 – In Salem a quake measuring 4.6 on the Richter scale shook Polk County. While there were no reported injuries, structural damages did occur. This earthquake caused damage mostly within a radius of about 25 miles, primarily in the communities of Molalla, Woodburn, Newberg, and McMinnville. March 25, 1993: Magnitude 5.6 – The earthquake near Scotts Mills, Oregon, 32 miles from Portland, was a shallow crustal earthquake recorded at magnitude 5.6. Here’s a list of notable Oregon earthquake events:įebruary 28, 2001: Magnitude 6.8 – The Nisqually earthquake caused high-rise office buildings in Portland to sway for 20 to 30 seconds and some exterior cosmetic cracks of the Public Safety Building in Hillsboro. Records also indicate that earthquakes in the Puget Sound Region, such as the 1949 magnitude 7.1 event near Olympia, WA, and the 1965 magnitude 6.5 event located between Seattle and Tacoma, can cause damage in Portland. The Portland metropolitan region has encountered seventeen earthquakes of an estimated magnitude of four and greater, with major earthquakes in 1877 (magnitude 5.3), 1962 (magnitude 5.2), and 1993 (magnitude 5.6). Portland and its surrounding region is potentially the most seismically active area within Oregon. Recorded Oregon earthquake events date back to 1841, since this time there has been more than 6,000 earthquakes in Oregon, most with a magnitude below three. Earthquake Retrofit Requirements for Insurance.Earthquake Insurance Frequently Asked Questions.Landlord Insurance – Multiple Properties.Landlord Insurance – Single Family Home.
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