California sits on an active plate boundary where the Pacific and North American plates grind past each other, producing frequent earthquakes.

It appears the two big earthquakes in Venezuela that occurred in rapid succession may have involved two separate fault lines. Several faults intersect in this tectonically complex region.

Venezuela on Wednesday night declared a state of emergency after two powerful earthquakes - magnitude 7.2 and 7.5 - hit the country within a span of 39 seconds and left behind a trail of widespread ...

Then, at 6:04 p.m. ET, an M7.2 foreshock rocked the northeast coast of Venezuela, immediately followed by an M7.5 mainshock. Minutes later, an M6.9 temblor hit offshore of Kuji, Japan. It was an ...

Add Yahoo as a preferred source to see more of our stories on Google. Hours after a magnitude 5.6 earthquake shook parts of California, two powerful earthquakes struck Venezuela within 40 seconds of ...

Two major earthquakes occurred in Venezeula on June 24, the first a magnitude 7.2 and the second a magnitude 7.5 a minute later. It is estimated that thousands of people have died and several thousand ...

Hours after a magnitude 5.6 earthquake shook parts of California, two powerful earthquakes struck Venezuela within 40 seconds of each other, collapsing buildings and killing more than 160 people. The ...