A 4.3-magnitude earthquake jolted a lake shoreline Friday, July 11, in Southern California, the U.S. Geological Survey reported. Then dozens of smaller quakes followed. The 6.5-mile-deep quake hit more than 7 miles from Calipatria at 2:55 a.m., according to USGS.

A minor, 3.7-magnitude earthquake struck in Southern California on Thursday. It was followed by a larger, 4.3-magnitude quake nearby a few hours later, according to the United States Geological Survey.

New evidence suggests current estimates about tsunami size and how quickly waves make it to shore may be too high and too fast for some parts of the Northwest coast.

The fault has moved the curbs as much as a handspan, around 18 centimeters, since the time they were installed, up to 60 years ago.

If you see smoke from the freeway, don’t worry. The blaze on UC San Diego’s earthquake shake table aims to help make buildings more fire-resistant.

Earthquakes remain one of nature’s most terrifying forces. While we still can’t predict them, science has advanced in identifying where they’re most likely to occur. Our planet’s crust is made of shifting tectonic plates that grind,

PANAMA CITY (AP) — An earthquake with a preliminary 6.2 magnitude struck off the Pacific coast of Panama on Monday, authorities said. No injuries or damage were immediately reported.