New Madrid seismic zone
What East Coast residents should know about earthquakes
Science
Dr. Sarah Adams
SAN FRANCISCO — Californians waking up to the news that an earthquake measuring 4.8 on the Richter scale rattled buildings and nerves ...
Modern earthquakes in US could be aftershocks from quakes in the 1800s, scientists say
Science
Dr. Sarah Adams
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. After large earthquakes, ...
