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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 ...
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.
The PNSN, in conjunction with the Cascades Volcano Observatory of the USGS, now monitors seismicity at all the Cascade volcanoes in Washington and Oregon. The network was significantly expanded after the damaging 2001 Nisqually earthquake. After an earthquake on January 30, 2009, the network's emergency notification system failed. [1]
Nearly 75% of the country is at risk for a potentially damaging earthquake in the next 100 years, according to a recently updated map from the U.S. Geological Survey. The map is the first to ...
An earthquake ruptured off California on Thursday morning, briefly triggering a tsunami warning for the coast of Northern California and southern Oregon. The earthquake, a magnitude-7.0 temblor ...
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 ...
Aug. 1—The United States Geological Survey (USGS) reports a 4.0 magnitude earthquake occurred off the Oregon Cast near Port Orford at about 12:30 p.m. Tuesday, Aug. 1. This is the second such ...
This is a list of earthquakes in 2025. Only earthquakes of magnitude 6 or above are included, unless they result in significant damage and/or casualties. All dates are listed according to UTC time. The maximum intensities are based on the Modified Mercalli intensity scale. Earthquake magnitudes are based on data from the USGS.