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The Cascadia subduction zone is a 960 km (600 mi) fault at a convergent plate boundary, about 100–200 km (70–100 mi) off the Pacific coast, that stretches from northern Vancouver Island in Canada to Northern California in the United States.
UTC time: 2001-02-28 18:54:32: ISC event: 1780664: USGS-ANSSComCat: Local date: February 28, 2001 (): Local time: 10:54:32 a.m. [1] Magnitude: 6.8 M w [1]: Depth: 57 km (35 mi) [1] Epicenter: 1]: Type: Normal [2]: Areas affected: Pacific Northwest: Total damage: $1–4 billion [3]: Max. intensity: MMI VIII (Severe) [4]: Peak acceleration: 0.3 g [4]: Tsunami: No: Casualties: 1 dead (heart ...
The most important clue linking the tsunami in Japan and the earthquake in the Pacific Northwest comes from studies of tree rings (dendrochronology), which show that several "ghost forests" of red cedar trees in Oregon and Washington, killed by lowering of coastal forests into the tidal zone by the earthquake, have outermost growth rings that formed in 1699, the last growing season before the ...
A fault off the Pacific coast could devastate Washington, Oregon and Northern California with a major earthquake and tsunami. Researchers mapped it comprehensively for the first time.
A major earthquake struck near California's coast on Thursday, and aftershocks are still ongoing. The 7.0-magnitude earthquake struck at about 10:44 a.m. Pacific Time.
Lists, Maps, and Statistics at United States Geological Survey (USGS) Earthquake history of the United States through 1970 at USGS; Earthquake Data and Information at National Centers for Environmental Information (NCEI) Thomas Fuller; Anjali Singhvi; Mika Gröndahl; Derek Watkins (June 4, 2019). "Buildings Can Be Designed to Withstand Earthquakes.
California residents felt the impact of a major earthquake that occurred off the West Coast on Thursday. The U.S. Geological Survey reported that a magnitude 7.0 earthquake occurred off the coast ...
The 1993 Scotts Mills earthquake, also known as the "Spring break quake", occurred in the U.S. state of Oregon on March 25 at 5:34 AM Pacific Standard Time. With a moment magnitude of 5.6 and a maximum perceived intensity of VII ( Very strong ) on the Mercalli intensity scale , it was the largest earthquake in the Pacific Northwest since the ...