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The earliest known earthquake in the U.S. state of California was documented in 1769 by the Spanish explorers and Catholic missionaries of the Portolá expedition as they traveled northward from San Diego along the Santa Ana River near the present site of Los Angeles. Ship captains and other explorers also documented earthquakes.
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.
1873 Oregon-California earthquake [2] October 26, 1880: Alaska 7.0 M s 0 [1] August 10, 1884: New York: 4.9–5.5 M fa 2: August 31, 1886: South Carolina: 6.9–7.3 M w 60: 1886 Charleston earthquake: April 19, 1892: California 6.4 M L 1 1892 Vacaville–Winters earthquakes [2] April 21, 1892: California 6.4 M L 0 1892 Vacaville–Winters ...
A pie chart comparing the seismic moment release of the three largest earthquakes for the hundred-year period from 1906 to 2005 with that for all earthquakes of magnitudes <6, 6 to 7, 7 to 8, and >8 for the same period. The 2011 Japan quake would be roughly similar to Sumatra. Earthquakes of magnitude 8.0 and greater from 1900 to 2018.
The earthquakes are caused by slip along the thrust fault that forms the contact between the two plates. These interplate earthquakes are the planet's most powerful, with moment magnitudes (M w) that can exceed 9.0. [1] [2] Since 1900, all earthquakes of magnitude 9.0 or greater have been megathrust earthquakes. [3]
The fault zone responsible for Thursday's 7.0 magnitude earthquake off the coast of California is not known to produce large tsunamis, but due to the size of the event, NOAA’s Tsunami Warning ...
see 2021 East Java earthquake-8.562 112.519 10 6.0 M w (USGS) Centred 44km SSW of Gongdanglegi Kulon, Indonesia, at a depth of 82.3km. [14] April 28, 2021 02:21 Assam, India see 2021 Assam earthquake: 26.782 92.436 2 6.0 M w (USGS) Centred 9km NNW of Dhekiajuli, India, at a depth of 34.0km. [15] May 21, 2021 13:48 Yunnan, China see 2021 Dali ...
Another notable intraslab earthquake in the Puget Sound region was the magnitude 6.8 2001 Nisqually earthquake. Intraslab earthquakes in Cascadia occur in areas where the subducting plate has high curvature. [13] Much of the seismicity that occurs off the coast of northern California is due to intraplate deformation within the Gorda plate.