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| | WA/OR - United States Earthquakes, 1955 |
 | | Epicenter 47 degrees 49' north, 124 degrees 1' west, western Olympic Mountains, Wash., S. Northwest Washington, V. At Port Angeles felt by and awakened many in community; walls creaked; hanging objects swung. |
 | | Intensity IV at Everett, Granite Falls, Lake Stevens, Marysville, and southeast of, Oso, Snohomish, and Verlot Ranger Station, where principal effects were rattling of windows and dishes. |
 | | Some persons reported the shock was accompanied by a sharp explosivelike noise; one person reported a rolling motion preceded the noise. |
| www.ess.washington.edu /SEIS/PNSN/HIST_CAT/1955.html (747 words) |
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