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Earthquakes which did not affect the United States directly, but caused tsunamis which did: 1960 Valdivia earthquake and tsunami – magnitude 9.5 earthquake, between 2200 and 6000 fatalities, including 61 in Hilo, HI. 2006 Kuril Islands earthquake and tsunami – magnitude 8.3 earthquake, no injuries or fatalities anywhere.
The 1811–1812 New Madrid earthquakes were a series of intense intraplate earthquakes beginning with an initial earthquake of moment magnitude 7.2–8.2 on December 16, 1811, followed by a moment magnitude 7.4 aftershock on the same day. Two additional earthquakes of similar magnitude followed in January and February 1812.
New Madrid seismic zone. The New Madrid seismic zone (NMSZ), sometimes called the New Madrid fault line (or fault zone or fault system), is a major seismic zone and a prolific source of intraplate earthquakes (earthquakes within a tectonic plate) in the Southern and Midwestern United States, stretching to the southwest from New Madrid, Missouri.
Historical earthquakes is a list of significant earthquakes known to have occurred prior to the early 20th century. As the events listed here occurred before routine instrumental recordings — later followed by seismotomography imaging technique, [1] observations using space satellites from outer space, [2] artificial intelligence (AI)-based early earthquake warnings [3] — they rely mainly ...
MMI IX (Violent) The 1638 New Hampshire earthquake struck central New Hampshire on June 1, 1638 (Julian calendar). [2] It was the first major earthquake to strike New England following the start of European colonization. Modern analysis places its epicenter somewhere near what is now central New Hampshire, with an estimated magnitude between 6. ...
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.
A massive earthquake that struck the Bay Area on October 17, 1989 forever changed the region, and potentially altered the course of baseball history. The 6.9-magnitude Loma Prieta quake struck at ...
In an article written in 1913, John C. Branner, who was the first to begin study of the San Andreas fault in 1891 [58] complained that the Federal Government of the United States had not conducted the serious studies that were needed to gather data about earthquakes on the west coast. He said public discussion was being stifled by fears that ...