(AP)—Seismologists in Alaska say earthquakes have jolted four different parts of the state in the last 12 hours.
States where hydraulic fracturing is taking place are experiencing unprecedented earthquake activity.
The U.S. Geological Survey has recorded seven small earthquakes shaking central Oklahoma in a span of about 14 hours.
Earthquakes used to be almost unheard of on the vast stretches of prairie that unfold across the U.S. Midwestern states of Texas, Kansas and Oklahoma.
Seismologists say a moderate earthquake that shook northwest Alaska on Monday was the fifth of the same magnitude since April in an area with otherwise little activity.
A powerful magnitude-7.2 earthquake shook central and southern Mexico on Friday, sending panicked people into the streets. Some walls cracked and fell, but there were no reports of major damage or casualties.
Authorities in northern Chile discovered surprisingly light damage and just six reported deaths Wednesday from a magnitude-8.2 quake—a remarkably low toll for such a powerful shift in the Earth's crust.
A powerful magnitude-8.2 earthquake struck off northern Chile on Tuesday night, setting off a small tsunami that forced evacuations along the country's entire Pacific coast. Five people were crushed to death or suffered fatal ...
One of the largest earthquakes to hit California in decades rattled the state's northern coast, but its depth and distance from shore reduced the impact on land, where there were no reports of injuries or damage, scientists ...