Earthquakes happen all the time, you just can't feel them. A guide to how they're measured
About 55 earthquakes a day – 20,000 a year – are recorded by the National Earthquake Information Center. A quick guide to how ...
NBC Los Angeles7 天
Why does California's northwest corner experience so many intense earthquakes?
How many 7.0 magnitude earthquakes have there been in Northern California? Here’s what to know about the seismically active region.
Yahoo8 天
Earthquakes happen all the time, you just can't feel them. A guide to how they're measured
Earthquake intensity is a slightly different ... VI – Strong: Felt by all, many frightened. Some heavy furniture moved; a few instances of fallen plaster. Damage slight. VII – Very Strong ...
Earthquake off California sparks tsunami warning
A tsunami warning was issued Thursday for the coast of Oregon and Northern California, according to the National Weather ...
Major earthquake strikes off Humboldt County coast in Northern California; tsunami warning ...
PETROLIA, Calif. — A preliminary magnitude 7.0 earthquake struck Thursday morning near Ferndale, California, in Humboldt ...
USA Today8 天
Earthquake-generated tsunamis not uncommon in US. How bad can they get and where do they hit?
The warnings were put to use on Thursday when people in the northern portion of California were sent tsunami alerts moments after a 7.0 earthquake struck just off the coast of Humboldt county at ...