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  2. List of earthquakes in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_earthquakes_in_the...

    2011 Tohoku earthquake and tsunami – magnitude 9.0 earthquake, 15,850–28,000 fatalities and 6,011 injured, one fatality and unknown number of injuries in the United States; 2012 Haida Gwaii earthquake – magnitude 7.8 earthquake with an epicenter on Moresby Island in British Columbia, the second largest Canadian earthquake ever recorded by ...

  3. 1755 Cape Ann earthquake - Wikipedia

    en.wikipedia.org/wiki/1755_Cape_Ann_earthquake

    Modern research has estimated that the quake was between 6.0 and 6.3 on the Richter scale, and the United States Geological Survey lists it as the largest earthquake in the history of Massachusetts. [6] Scientists are unclear on the causes of this and other quakes in the northeastern United States.

  4. Richter scale - Wikipedia

    en.wikipedia.org/wiki/Richter_scale

    The Richter scale [1] (/ ˈ r ɪ k t ər /), also called the Richter magnitude scale, Richter's magnitude scale, and the Gutenberg–Richter scale, [2] is a measure of the strength of earthquakes, developed by Charles Richter in collaboration with Beno Gutenberg, and presented in Richter's landmark 1935 paper, where he called it the "magnitude scale". [3]

  5. Earthquakes happen all the time, you just can't feel them. A ...

    www.aol.com/earthquakes-happen-time-just-cant...

    The United States typically has around 63 earthquakes between magnitude 5.0 and 5.9 each year, according to the U.S. Geological Survey, about five between 6.0 and 6.9 and fewer than one between 7. ...

  6. Lists of earthquakes - Wikipedia

    en.wikipedia.org/wiki/Lists_of_earthquakes

    Rat Islands, Alaska, United States 1965 Rat Islands earthquake: 8.7 8 August 15, 1950: Assam, India – Tibet, China 1950 Assam–Tibet earthquake: 8.6–8.7 [39] 9 April 1, 1946: Aleutian Islands, Alaska, United States 1946 Aleutian Islands earthquake: 8.6 9 March 28, 2005: Sumatra, Indonesia 2005 Nias–Simeulue earthquake: 8.6 9 March 9, 1957

  7. 1958 Lituya Bay earthquake and megatsunami - Wikipedia

    en.wikipedia.org/wiki/1958_Lituya_Bay_earthquake...

    The 1958 Lituya Bay earthquake occurred on July 9, 1958, at 22:15:58 PST with a moment magnitude of 7.8 to 8.3 and a maximum Mercalli intensity of XI (Extreme). [4] The strike-slip earthquake took place on the Fairweather Fault and triggered a rockslide of 30 million cubic meters (40 million cubic yards) and about 90 million tons into the ...

  8. What cities are most at risk of a strong earthquake? Here's ...

    www.aol.com/cities-most-risk-strong-earthquake...

    The report additionally found that 37 states have experienced earthquakes greater than a magnitude 5 over the past two centuries, "highlighting a long history of seismic activity across this ...

  9. 1994 Northridge earthquake - Wikipedia

    en.wikipedia.org/wiki/1994_Northridge_earthquake

    The United States Geological Survey (USGS) placed the hypocenter's geographical coordinates at and at a depth of 11.31 miles (18.20 km). [9] Measuring M w 6.7, it was the largest earthquake recorded in the Los Angeles area since the 1971 San Fernando earthquake (M w 6.7). However, unlike the Northridge earthquake, the San Fernando shock ...