The public is urged to stay away from Bay Area beaches and low-lying coastal areas after a tsunami warning was…
An emergency warning siren near San Francisco's City Hall malfunctioned during today's regular noon test, triggering a number of nervous…
A powerful 7.3-magnitude earthquake struck off Papua New Guinea on Friday.
Though it's now long gone, radioactive iodine from Japan was detected just weeks after last year's nuclear disaster.
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