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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.
The 1812 San Juan Capistrano earthquake, also known simply as the Capistrano earthquake or the Wrightwood earthquake, [6] occurred on December 8 at 15:00 UTC (07:00 local time) in Alta California. At the time, this was a colonial territory of the Spanish Empire .
The group was underwater when a 7.2 magnitude earthquake and string of aftershocks shook the country, the videographer said. Watch scuba divers grab onto reef as swarm of underwater earthquakes ...
Earthquakes in the New Madrid and Wabash Valley seismic zones from 1974 to 2002, with magnitudes larger than 2.5. The zone had four of the largest earthquakes in recorded North American history, with moment magnitudes estimated to be as large as 7 or greater, all occurring within a 3-month period between December 1811 and February 1812. Many of ...
An undated photo from the US Geological Survey depicts a landslide trench and ridge in the Chickasaw Bluffs, east of Reelfoot Lake, Tennessee, resulting from the 1811 to 1812 New Madrid earthquakes.
The last tsunami warning in the San Francisco Bay Area followed a 9.1 earthquake in Tohoku, Japan that sparked a major nuclear accident at the Fukushima-Daiichi nuclear power plant in March 2011 ...
The 1812 Ventura earthquake (also known as the Santa Barbara earthquake) occurred on the morning of December 21 at 11:00 Pacific Standard Time (PST). The M w 7.2 earthquake was assigned a with a maximum Modified Mercalli intensity of X ( Extreme ). [ 2 ]
1812 earthquake may refer to: 1812 Caracas earthquake (Venezuela) 1811–1812 New Madrid earthquakes (Mississippi River, US) (river tsunamis) 1812 San Juan Capistrano earthquake (California, US), also known as the Wrightwood earthquake; 1812 Ventura earthquake (California, US), also known as the Mission San Buenaventura or Santa Barbara earthquake