Alex de Steiguer was about to send an email from a house on Star Island, 7 miles off the coast of Maine and New Hampshire, when she heard what she thought was a big plane flying over. Outside, a flock ...
Using nearly four decades of seismic data from stations encompassing the northern, central, and southern Sierra Nevada along California's eastern border, geologists have uncovered signs of a critical ...
Jan. 26, 2025, marks 325 years since the last great earthquake on the Cascadia subduction zone. It’s a time to reflect on what we’ve learned about this largest fault system in the lower 48 states ...