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Under world's greatest cities, deadly plates
Tokyo, Cairo and Los Angeles are among a large list of urban centers sitting atop shifting tectonic plates.
Los Angeles - Tokyo - United States - California - Counties
As disaster crews and scientists investigate the havoc wrought in Haiti, questions emerge as to whether such a vastly destructive disaster could happen at home in the United States.
Sunday's magnitude-7.2 earthquake that rocked northern Mexico and parts of Southern California was barely worth noting compared with the ongoing, major forces that shape planet Earth.
The magnitude-7.2 Easter earthquake physically moved the border city of Calexico, Calif. up to 2.5 feet in a southerly direction, according to NASA data released Wednesday.
Haiti can expect more aftershocks in coming weeks, and while the usual pattern suggests they will become weaker and less frequent, another one as strong as Wednesday's jolt is certainly possible, scientists say.
An earthquake with a preliminary magnitude of 4.3 hits Illinois, officials say.
A previously unmapped fault was responsible for the magnitude-7.0 earthquake that struck Haiti on Jan. 12, not the fault originally blamed for the temblor, scientists announced Tuesday.
The magnitude-7.0 earthquake that shook Port-au-Prince, Haiti, two years ago nearly demolished the city and took residents and geologists by surprise. Now scientists think they’ve identified a centuries-long pattern of earthquakes on the island of Hispaniola that could portend earthquakes to come.
California geology officials have released an updated state seismic activity map that they hope will improve earthquake preparedness and construction decisions.
You may notice major landmarks, tourist attractions and large areas of many cities and towns around the world going dark for an hour on March 27. Do not be alarmed.