Earthquake Zone, Fault Line, Seismic Activity - Britannica
New Madrid’s growth was slowed by violent earthquakes in 1811–12 (it lies on one of the most active faults in North America) as well as floods and shifting of the river’s course, which …
Sichuan earthquake of 2008 | Overview, Damage, & Facts | Britannica
Earthquakes are caused by the sudden release of energy within some limited region of the rocks of the Earth. The energy can be released by elastic strain, gravity, chemical reactions, or even …
Indian Ocean tsunami of 2004 - Encyclopedia Britannica
Sep 29, 2025 · What was the location of the earthquake that caused the Indian Ocean tsunami of 2004? On December 26, 2004, an undersea earthquake struck off the coast of the Indonesian …
Myanmar earthquake of 2025 | Deaths, Severity, & Facts - Britannica
The Myanmar earthquake of 2025 was a powerful magnitude-7.7 earthquake that struck Myanmar (Burma) on March 28, 2025, near Mandalay, the country’s second largest city. The earthquake …
Earthquake | Definition, Causes, Effects, & Facts | Britannica
Oct 11, 2025 · Earthquake, any sudden shaking of the ground caused by the passage of seismic waves through Earth’s rocks. Earthquakes occur most often along geologic faults, narrow …
Japan earthquake and tsunami of 2011 - Britannica
Mar 11, 2011 · The earthquake and tsunami that struck Japan on March 11, 2011, are called the Great Tōhoku Earthquake and the Great Sendai Earthquake. The day’s events are also …
San Francisco earthquake of 1989 - Encyclopedia Britannica
Oct 10, 2025 · San Francisco earthquake of 1989, major earthquake that struck the San Francisco Bay Area, California, U.S., on October 17, 1989, and caused 63 deaths, nearly …
Indiana | Flag, Geography, History, Facts, Maps, & Points of …
Oct 16, 2025 · Geographical and historical treatment of Indiana, including maps and a survey of its people, economy, and government. Indiana is historically part of the North, but parts of the …
Northridge earthquake of 1994 | Cause, Magnitude, & Facts
The earthquake occurred just after 4:30 am local time along a previously undiscovered blind thrust fault in the San Fernando Valley. Its epicentre was in Reseda, a suburb located about 23 miles …
Morocco earthquake of 2023 - Encyclopedia Britannica
Sep 1, 2025 · Morocco earthquake of 2023, severe earthquake that struck near the town of Oukaïmedene in western Morocco on September 8, 2023. More than 2,900 people were killed …