New data on the 1999 disaster in Izmit, Turkey shows little quakes preceding the big one were unrelated and detecting foreshocks won't help predict major quakes. Bill Ellsworth of Stanford Earth led the research.
Geophysics professor Rosemary Knight comments on a study she co-authored showing that sinking land caused by intensive groundwater pumping in California is releasing trapped arsenic, a known carcinogen.
Stanford Earth geophysicist Bill Ellsworth explains his research showing that tremors preceding a 1999 earthquake in Turkey were no different than ordinary earthquakes - not warnings of the bigger quake to come.
A study led by Stanford Earth's Marshall Burke finds stringent limits on global warming would bolster the world economy. It's one of the first assessments of the economics of the 2015 Paris climate agreement.