A Tsunami Warning has been issued for 45 miles southwest of Eureka. The earthquake was first preliminarily registered as having a magnitude of 6.6, but USGS updated it a 7.0. A significant apparent ...
What does “moment magnitude” mean, and how do scientists determine the strength of a rupture in the earth? By Henry Fountain Henry Fountain spent a quarter century covering science for The Times.
The epicenter was near Petrolia, in Humboldt County, the USGS said. A 7.0 magnitude earthquake was reported off the coast of Northern California on Thursday, according to the United States ...
SAN FRANCISCO -- A 7.0 magnitude earthquake was reported off the coast of Northern California on Thursday, according to the United States Geological Survey. The epicenter of the "strong" quake was ...
A major, 7.0-magnitude earthquake struck in the North Pacific Ocean on Thursday, according to the United States Geological Survey. The temblor happened at 10:44 a.m. Pacific time about 40 miles ...
HUMBOLDT COUNTY, Calif. — A powerful earthquake with a magnitude of 7.0 struck 99 kilometers west-southwest of Ferndale, Calif., on Thursday, according to the United States Geological Survey (USGS).